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WO1995023995A1 - Monture de lunettes metallique - Google Patents

Monture de lunettes metallique Download PDF

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Publication number
WO1995023995A1
WO1995023995A1 PCT/JP1995/000328 JP9500328W WO9523995A1 WO 1995023995 A1 WO1995023995 A1 WO 1995023995A1 JP 9500328 W JP9500328 W JP 9500328W WO 9523995 A1 WO9523995 A1 WO 9523995A1
Authority
WO
WIPO (PCT)
Prior art keywords
wide
lens
wire
rim
wide portion
Prior art date
Application number
PCT/JP1995/000328
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Yoshioka
Original Assignee
Tetsuo Yoshioka
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetsuo Yoshioka filed Critical Tetsuo Yoshioka
Publication of WO1995023995A1 publication Critical patent/WO1995023995A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/008—Spectacles frames characterized by their material, material structure and material properties
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • G02C11/02—Ornaments, e.g. exchangeable
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
    • G02C2200/10—Frame or frame portions made from wire

Definitions

  • the present invention relates to a metal spectacle frame having a rim formed of a titanium-based wire, a nickel-based wire, a nickel-based wire, or another metal wire, and more particularly to providing a peripheral groove on the outer periphery of a lens and fitting the rim into the peripheral groove.
  • the present invention relates to an eyeglass frame capable of holding a lens with a thin rim.
  • Eyeglasses are required to be lightweight and not to obstruct the field of view.
  • a so-called Nyroll frame is known as an eyeglass frame that holds a lens with a thin rim.
  • the Nyroll frame has a structure in which the front rim is provided with left and right upper rims, a bridge, and a brace bar, and the lower rim is formed of metal wire or nylon wire (for example, Japanese Patent Publication Showa 6). (See Japanese Patent Publication No. 102222/1990).
  • a spectacle frame in which the upper rim and the lower rim are formed of a single metal wire, a spectacle frame that satisfies the above-mentioned demands was disclosed as a utility model published in Japan by the applicant of the present invention.
  • Japanese Patent Application Laid-Open No. 09-914 The structure disclosed in this publication is such that the lower rim is made thinner so as not to obstruct the view below, and the upper rim is made wider than the thickness of the lens to provide strength. It stands.
  • the width of the rim is continuously changed in an intermediate region between the thick upper rim and the thin lower rim.
  • the Nyroll frame because the upper field of view is obstructed by the upper rim, does not have the brightness and openness of the glasses without eyes, so it can be said that it satisfies the demand for lightweight and not to obstruct the view. Absent. Also, if the lower rim is made of a nipple wire, the wire may break during use, and if the lower rim is made of metal wire, it is difficult to process the joint between the upper rim and the lower rim. There are also problems. The structure of the Japanese Utility Model Publication No. 409-4, No. 1979, addresses the problem of joining the upper rim and the lower rim, but the upper rim is wider than the lens thickness. In addition, there is a drawback that the upper view is obstructed, and it is difficult to form an intermediate region where the thickness of the wire transitions smoothly, and distortion is generated.
  • An object of the present invention is to provide eyeglasses that are lightweight, have a sense of openness, and are excellent in a feeling of wearing, without causing problems in strength, rigidity, and durability. Disclosure of the invention
  • the entire periphery of the rim 2 is formed integrally from one metal wire, and the cross section thereof has a wide wide portion 21 and a narrow wire portion 22. It has.
  • the joints between the rims 2 and 3 of the rim 2, 3 2, the bridge 3 3 and the pad legs 36 are made to be wide, with the wide side 21 a on the side and the wide section 21 b on the bridge side.
  • the wire portions 22a and 22b are formed on the upper rim and the lower rim.
  • An inclined step 24 is formed between the wide portion 21 and the wire portion 22 and transitions from the wide portion 21 to the wire portion 22 at short intervals.
  • a ridge 27 is formed on the inner periphery of the wide part 21 on the extension of the wire part 22, and the wire part 22 and the ridge 27 of the wide part are provided on the outer peripheral edge of the lens 1 1 1 And holds lens 1.
  • the brace bar joint of the upper rim 25 The wide part between the two joints is called 2 ⁇ b.
  • the wire portion 22a on the upper rim side is formed from just outside the joint portion of the brace bar 34 to immediately adjacent to the joint portion of the chimney 21a.
  • the width of the wide portion 21 is preferably smaller than the thickness of the lens 1 at the portion where the wide portion contacts, and the front and rear sides of the wide portion 21 do not protrude from the front and rear surfaces of the lens 1 as much as possible.
  • the lens 1 is a convex lens
  • the rear side of the wide portion 21 is protruded, and the front edge is positioned on the same plane as the front surface of the lens 1 or a position retreated therefrom.
  • the upper rim 25 of the spectacle frame of the first structure is a wide portion 21.
  • the width of the wide portion 21 is made smaller than the thickness of the lens 1 at the portion where the wide portion contacts, so that both the front and rear sides of the wide portion 21 do not protrude from the front and rear surfaces of the lens 1.
  • the width of the wide portion 21 is wider than the thickness of the lens, such as when the lens 1 is a convex lens, the rear side of the wide portion 21 is projected from the rear surface of the lens, and the front Same structure as the front surface, which is located on the same surface or at a position retracted from the front.
  • the wire portion below the rim has a shorter length and a width wider than the thickness of the lens at the portion. It has a narrow wide portion 21c.
  • the strength and rigidity of the spectacles are maintained by both the integral rim 2 completely surrounding the periphery of the lens and the lens 1 itself.
  • the rim 2 has a thin wire portion 22 a, 22 b on both the upper rim 25 and the lower rim 26.
  • the decrease and the lack of rigidity are complemented by the lens 1 fitted in the rim 2.
  • the lens 1 and the rim 2 are integrated by fitting the circumferential groove 11 provided on the lens with the wire portion 22 of the rim and the ridge 27 of the wide portion, and complement each other to provide strength and rigidity. And hold.
  • the joint between the bridge 33 and the brace bar 34 that extends between the left and right rims is a wide portion 21b.
  • the joint between the rims 31 and 32 which is the portion between the rim and the temple, is also referred to as a wide portion 21a.
  • the wide portion 21 has a strength capable of receiving the mechanical force transmitted from the prism 33, the brace bar 34 or the temple, and a part of the transmitted mechanical force is applied to the lens 1. It acts to transmit.
  • the rim wire is used for the brace bar part in order to rationally transmit external force to the left and right rims connected by the bridge 33 and the brace bar 34.
  • the brace bar obstructs the upper field of view even if it is thin, it is reasonable to provide a wide portion 21b between the joint of the bridge 33 and the joint of the brace bar 34.
  • the upper rim and the lower rim other than the joints such as the bridge 33, the brace bar 34, and the brackets 31 and 32 are formed as thin wires 22 so that the lower part can be formed.
  • the upper field of view is greatly open as well as the field of view, giving the same brightness and openness as frameless glasses.
  • the joint between the pad leg 36 and the chimney 31 and the entire upper rim 25 between them are widened, but the width of the widened portion is made smaller than the thickness of the lens to make the lens wider.
  • the width of the wide part cannot be made smaller than the thickness of the lens, such as when the lens is a convex lens and the upper rim has a wide part, make the rear side of the wide part 21 protrude from the rear surface of the lens, and ⁇ has a structure that is located on the same plane as the front surface of the lens 1 or at a position retracted from it.
  • this structure in a spectacle frame that holds a lens with a small peripheral thickness, it is possible to achieve both excellent strength and visibility as much as possible.
  • the transition from the wide portion 21 of the rim to the wire portion 22 is performed at a short distance, thereby increasing the area of the wire portion 22 and reducing the weight of the frame.
  • the rim 2 needs to be bent into a shape that matches the outer shape of the lens after the wide portion 21 and the wire portion 22 are formed from the wire, but at the time of this bending, the rim width direction (lens thickness direction) It is also necessary to bend to In the eyeglass frame of the present invention in which the transition from the wide portion 21 to the wire portion 22 is performed at a short distance, it is easy to manufacture and bend a mold for bending a rim wire.
  • the mold side In the case where the transition from the wide part to the wire part is performed gently, the mold side must also be inclined in accordance with the gentle inclination, and there is an error in the rim line and the mold inclination of the gentle inclination part. And-Distortion is likely to occur in this gradient.
  • the mold since the transition between the wide portion of the rim wire and the wire portion is performed at a short distance, the mold is easy to manufacture, and distortion at the transition portion is less likely to occur.
  • the spectacle frame of the present invention since the wire portion 22 of the rim 2 is integrated with the surface of the lens 1 in a state where the lens is mounted and is almost inconspicuous, the spectacle frame is also very excellent in design. It is also possible to design the wide part 2 1a of the part connected to Ji 32 to be longer, to decorate that part, or to attach a decoration, and to design a highly decorative spectacle frame. You can also.
  • the short wide portion 2 ⁇ c provided on the wire portion below and outside the rim becomes a one-point decoration, and the short wide portion 21c is decorated with the decoration corresponding to the decoration of the armor. by attaching the decoration or, c more decorative highly spectacle frame is obtained
  • FIG. 1 is a perspective view of a rim portion of the first embodiment
  • FIG. 2 is a cross-sectional view of a rim and a lens
  • FIG. 3 is a perspective view of a rim portion of the second embodiment
  • FIG. 4 is a perspective view of a rim portion of the third embodiment
  • FIG. 5 is a sectional view of a main part of the third embodiment
  • FIG. 6 is a sectional view of a main part of the fourth embodiment.
  • FIG. 7 is a side view of the fifth embodiment. It is.
  • FIG. 8 is an explanatory diagram of a first example of a method of manufacturing a rim wire
  • FIG. 9 is an explanatory diagram of a second example of a method of manufacturing a rim wire
  • FIG. 10 is an example of a wide portion. It is an expanded sectional view shown.
  • FIG. 1 is a perspective view showing a rim portion of a first embodiment of the present invention with a lens removed.
  • FIG. 2 is a cross-sectional view showing a cross section of a wide portion and a wire portion of the rim in a state where a lens is fitted.
  • the lens 1 has a circumferential groove 11 on its outer periphery.
  • the rim 2 is made of a single metal wire bent so as to surround the outer periphery of the lens].
  • the ends 3 and 3 are joined to each other, and the bridge 33 and brace bar 3 4 are provided in the middle. And are joined.
  • the joints of the rims 3 1, 3 2, bridge 3 3, and brace bar 3 have wide sections 2 ⁇ (21 a and 21 b) with a flat cross section, and wide sections 2 1 a on the side of the rim.
  • the wire portions 22a and 22b are provided on the upper rim 25 and the lower rim 26 between the upper rim 25 and the wider portion 21b on the side of the bridge.
  • the transition portion 23 between the wire portion 22 (22a and 22b) and the wide portion 2] has an oblique step 24, and transitions from the wide portion 21 to the wire portion 22 at a short distance. are doing.
  • the wide section 21 and the wire section 22 each have a constant cross section.
  • a ridge 27 is formed on the inner surface of the wide portion 21 so as to extend the wire portion 22. Due to the presence of the ridge, the cross section of the wide portion 21 has a flat T-shape.
  • the wire portion 22 and the ridge 27 have a width that just fits into the peripheral groove ⁇ ⁇ ⁇ ⁇ of the lens, and when these are fitted in the peripheral groove 11, the wires 31 and 32 are fastened. By this, lens 1 is retained.
  • the wide portion 21 of the rim is provided with a short length at the joint of the rims 31 and 32, and has a relatively long length from the joint of the brace bar 34 to the joint of the pad leg 36. Is provided.
  • the wide portion 21b on the bridge side is located at the position just outside the joining position of the brace bar 34 and the position just below the joining position of the pad leg 36. It has shifted to 22a and 22b. Therefore, the lens 1 is held by being surrounded by the wire portion 22 for most of the outer periphery.
  • the wide portion 21 be narrower than the thickness of the lens as shown in FIG. 2 so that the rim 2 does not protrude from the surface of the lens even in the wide portion. If there is a problem with strength due to the narrow width of the wide part, such as when the edge of the lens is a convex lens and the thickness of the edge is thin, increase the height of the wide part or increase the width of the wider part to the back of the lens. (Face side) to ensure good appearance and visibility.
  • FIG. 3 shows a second embodiment of the present invention.
  • the eyeglass frame of the second embodiment does not have a brace bar.
  • the rim 2 transitions from the wide portion 21b to the wire portion 22a at a position above the junction of the bridge 33, and a wider area of the upper side of the lens is surrounded by the wire portion 22.
  • the Rukoto Therefore, the second embodiment is lighter and does not obstruct the upper visual field than the first embodiment, but is inferior in strength and rigidity.
  • FIG. 4 shows a third embodiment of the present invention.
  • the entire upper side of the rim of the eyeglass frame shown in FIG. 1 is a wide portion 21.
  • the wide portion 21 is narrower than the thickness of the portion where the wide portion 21 of the lens 1 contacts, and the front and rear portions of the wide portion 21 are retracted from the front and rear surfaces of the lens. It is in. Since the wide portion 21 is formed by press working as described later, a relief pattern can be formed on the outer surface of the upper wide portion 21 to enhance the decorativeness.
  • the wide-frame part 21 cannot be made narrower than the circumference of the lens when the wide-angle part 21 is used to hold a lens with a small peripheral thickness for the eyeglass frame with the wide part 21 as shown in FIG.
  • the ridge 27 is provided so as to be deviated toward the front edge of the wide portion 2 mm so that the front edge of the wide portion does not protrude from the front surface of the lens.
  • the rear part of the wide part protrudes from the back of the lens, but since this protruding part only blocks light that does not pass through the lens, the field of view of the lens is completely secured and the appearance is lightweight. The feeling is not impaired.
  • FIG. 7 shows a fifth embodiment of the present invention, and shows an example in which a short wide portion 21c is provided in a wire portion 22 below the outside of a rim 2. As shown in FIG. This short wide portion 21c is provided with a width smaller than the thickness of the lens at that portion.
  • the wire (rim wire) forming the rim 2 of the spectacle frame of the present invention can be manufactured by various methods.
  • the first method is by swaging and pressing, and the forming process is shown in FIG.
  • the two intermediate portions of the wire having a circular cross section shown in FIG. 8 (a) are stretched to a desired length by swaging to form wire portions 22a and 22b.
  • the portion 41 with the large diameter is formed into a flat T-shaped cross section by a press to form a wide portion 21 (FIG. 8 (c)).
  • an embossed pattern can be formed on the outside of the wide portion 21 (the portion on the back side of the paper in the figure) during the press working.
  • the rim wire of the spectacle frame according to the present invention can be manufactured most efficiently, and a rim wire having excellent strength can be obtained.
  • FIG. 9 shows the second manufacturing method.
  • a wire 42 having a flat T-shaped cross section corresponding to the cross-sectional shape of the wide portion 21 is obtained by drawing or roll rolling.
  • a T-shaped bar portion having a T-shaped cross section is cut out by cutting, turning, press pressing, or the like to form a wire portion 22 having a desired length.
  • a cross section of the wire portion 22 is finished by further performing a turning step.
  • the cross section of the drawn or rolled wire rod 42 must be cut. As shown in Fig.
  • a flat T-shaped T-shaped stem part 4 2a and a bar part 4 A shallow groove 43 is formed at the joint of 2b, and the height of the bar is cut or cut off along the cutting line a in the direction parallel to the bar at the bottom of this groove. Therefore, it is possible to form a wire portion which is low and is almost buried in the circumferential groove 11 of the lens.
  • the wire 22 is formed by press cutting, both sides of the flat T-shaped bar portion 42b are cut off by press cutting, and then the head of the T-shaped stem is deleted and cut. Finish the surface.
  • the wide part 21a of the lower rim 26 connected to the tom 32 is made longer, and a sculpture is provided in that part, or the jewel is lowered, A more decorative spectacle frame can be obtained.
  • each structure of the present invention described above it has an appearance that is not conscious of the rim, which is comparable to that of the frameless glasses, has a lightweight and open feeling that does not obstruct the view, and cannot be obtained with no glasses Eyeglasses having both strength and rigidity can be obtained.
  • a spectacle frame with higher decorativeness can be obtained.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

Monture de lunettes aux cercles faits d'un mince fil de métal se caractérisant par sa légèreté, un sentiment d'ouverture, une bonne assise et un aspect décoratif. Le cercle supérieur (25) et le cercle inférieur (26) sont intégralement constitués par un même fil métallique qui présente une portion large aplatie (21) et une portion ronde étroite (22). Les zones de raccordement entre les tenons (31, 32) du cercle (2) et entre le pont (33) et les bras de plaquettes (36) sont du type large (21), tandis qu'au moins le cercle inférieur situé entre la portion large (21a) latérale extérieure et la portion large (21b) du pont, est du type étroit (22). Les zones de transition entre les portions larges (21) et les portions étroites (22) sont très courtes. Une protubérance (27) pratiquée sur la prolongation de la portion étroite (22) et à la périphérie intérieure de la portion large (21) et de la portion étroite (22) s'emboîte dans une rainure (11) pratiquée à la périphérie du verre (1) pour fixer celui-ci. La portion large (21) dont la largeur sera de préférence moindre que l'épaisseur du verre (1) devra être montée de façon à ne pas dépasser de la surface frontale du verre (1).
PCT/JP1995/000328 1994-03-04 1995-03-01 Monture de lunettes metallique WO1995023995A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5997394 1994-03-04
JP6/59973 1994-03-04
JP7/39213 1995-02-02
JP3921395A JPH07294856A (ja) 1994-03-04 1995-02-02 金属製眼鏡枠

Publications (1)

Publication Number Publication Date
WO1995023995A1 true WO1995023995A1 (fr) 1995-09-08

Family

ID=26378535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1995/000328 WO1995023995A1 (fr) 1994-03-04 1995-03-01 Monture de lunettes metallique

Country Status (2)

Country Link
JP (1) JPH07294856A (fr)
WO (1) WO1995023995A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998026322A1 (fr) * 1996-12-13 1998-06-18 Bottega D'arte In Firenze S.R.L. Montures de lunettes
US7040751B2 (en) 1997-04-18 2006-05-09 Aspex Eyewear, Inc. Frame construction for eyewear having removable auxiliary lenses
US7063420B2 (en) 2004-05-14 2006-06-20 Isl Technologies, Llc Adjustable tensioning system for rimless eyewear
US7140727B2 (en) 2002-07-10 2006-11-28 Isl Technologies, Llc Eyeglass frame assembly
US7249843B2 (en) 2004-05-14 2007-07-31 Isl Technologies, Llc Adjustable tensioning system for rimless eyewear
US7370961B2 (en) 2003-10-02 2008-05-13 Ira Lerner Interchangeable eyewear assembly
US7537337B2 (en) 2006-05-04 2009-05-26 Lerner Ira S Eyewear with eyewire tensioning assembly

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MICROFILM OF THE SPECIFICATION AND DRAWINGS ANNEXED TO THE WRITTEN APPLICATION OF JAPANESE UTILITY MODEL, Application No. 116343/1980 (Laid-Open No. 40914/1982) (TETSUO YOSHIOKA), 5 March 1982, page 3. *
MICROFILM OF THE SPECIFICATION AND DRAWINGS ANNEXED TO THE WRITTEN APPLICATION OF JAPANESE UTILITY MODEL, Application No. 137809/1983 (Laid-Open No. 107826/1985) (HOYA CORP.), 22 July 1985, page 4. *
MICROFILM OF THE SPECIFICATION AND DRAWINGS ANNEXED TO THE WRITTEN APPLICATION OF JAPANESE UTILITY MODEL, Application No. 149879/1985 (Laid-Open No. 58428/1987) (HOYA CORP.), 11 April 1987, page 7-8. *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998026322A1 (fr) * 1996-12-13 1998-06-18 Bottega D'arte In Firenze S.R.L. Montures de lunettes
US7040751B2 (en) 1997-04-18 2006-05-09 Aspex Eyewear, Inc. Frame construction for eyewear having removable auxiliary lenses
US7278731B2 (en) 1997-04-18 2007-10-09 Aspex Eyewear, Inc. Frame construction for eyewear having removable auxiliary lenses
US7140727B2 (en) 2002-07-10 2006-11-28 Isl Technologies, Llc Eyeglass frame assembly
US7344239B2 (en) 2002-07-10 2008-03-18 Lerner Ira S Eyeglass frame assembly
US7370961B2 (en) 2003-10-02 2008-05-13 Ira Lerner Interchangeable eyewear assembly
US7063420B2 (en) 2004-05-14 2006-06-20 Isl Technologies, Llc Adjustable tensioning system for rimless eyewear
US7249843B2 (en) 2004-05-14 2007-07-31 Isl Technologies, Llc Adjustable tensioning system for rimless eyewear
US7357501B2 (en) 2004-05-14 2008-04-15 Lerner Ira S Adjustable tensioning system for rimless eyewear
US7537337B2 (en) 2006-05-04 2009-05-26 Lerner Ira S Eyewear with eyewire tensioning assembly

Also Published As

Publication number Publication date
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