CA2321418C - Feuille de pate de cellulose souple et hautement absorbante - Google Patents
Feuille de pate de cellulose souple et hautement absorbante Download PDFInfo
- Publication number
- CA2321418C CA2321418C CA002321418A CA2321418A CA2321418C CA 2321418 C CA2321418 C CA 2321418C CA 002321418 A CA002321418 A CA 002321418A CA 2321418 A CA2321418 A CA 2321418A CA 2321418 C CA2321418 C CA 2321418C
- Authority
- CA
- Canada
- Prior art keywords
- pulp fluff
- cellulosic pulp
- sheet
- absorbent
- manufacturing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000002250 absorbent Substances 0.000 title claims abstract description 141
- 230000002745 absorbent Effects 0.000 title claims abstract description 140
- 238000003490 calendering Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims description 106
- 239000000463 material Substances 0.000 claims description 51
- 239000000835 fiber Substances 0.000 claims description 45
- 238000004049 embossing Methods 0.000 claims description 43
- 229920001131 Pulp (paper) Polymers 0.000 claims description 38
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 15
- 230000001965 increasing effect Effects 0.000 claims description 13
- 239000002655 kraft paper Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 239000004902 Softening Agent Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 239000006096 absorbing agent Substances 0.000 claims 1
- 206010021639 Incontinence Diseases 0.000 abstract description 8
- 239000000047 product Substances 0.000 description 30
- 239000003415 peat Substances 0.000 description 19
- 238000010998 test method Methods 0.000 description 17
- 230000035515 penetration Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 11
- 238000011282 treatment Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 8
- 230000002175 menstrual effect Effects 0.000 description 8
- 238000000280 densification Methods 0.000 description 6
- 210000001124 body fluid Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 229920005372 Plexiglas® Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 239000010876 untreated wood Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 208000010201 Exanthema Diseases 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 235000010676 Ocimum basilicum Nutrition 0.000 description 1
- 240000007926 Ocimum gratissimum Species 0.000 description 1
- 241000736285 Sphagnum Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 238000002803 maceration Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
- A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/533—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
- A61F13/15626—Making fibrous pads without outer layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002058744A CA2058744C (fr) | 1991-01-04 | 1992-01-03 | Feuille de pate de cellulose souple et hautement absorbante |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002058744A Division CA2058744C (fr) | 1991-01-04 | 1992-01-03 | Feuille de pate de cellulose souple et hautement absorbante |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2321418A1 CA2321418A1 (fr) | 1992-07-05 |
| CA2321418C true CA2321418C (fr) | 2005-09-27 |
Family
ID=4149028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002321418A Expired - Lifetime CA2321418C (fr) | 1992-01-03 | 1992-01-03 | Feuille de pate de cellulose souple et hautement absorbante |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2321418C (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD694892S1 (en) | 2011-02-28 | 2013-12-03 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
| USD697216S1 (en) | 2011-02-28 | 2014-01-07 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD918398S1 (en) | 2018-12-10 | 2021-05-04 | Johnson & Johnson Consumer Inc. | Adhesive bandage with decorated pad |
| USD913507S1 (en) | 2018-12-10 | 2021-03-16 | Johnson & Johnson Consumer Inc. | Adhesive bandage with decorated pad |
-
1992
- 1992-01-03 CA CA002321418A patent/CA2321418C/fr not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD694892S1 (en) | 2011-02-28 | 2013-12-03 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
| USD697216S1 (en) | 2011-02-28 | 2014-01-07 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
| USD707829S1 (en) | 2011-02-28 | 2014-06-24 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
| USD708751S1 (en) | 2011-02-28 | 2014-07-08 | Johnson & Johnson Consumer Companies, Inc. | Adhesive bandage with decorated pad |
| USD745688S1 (en) | 2011-02-28 | 2015-12-15 | Johnson & Johnson Consumer Inc. | Adhesive bandage with decorated pad |
| USD745689S1 (en) | 2011-02-28 | 2015-12-15 | Johnson & Johnson Consumer Inc. | Adhesive bandage with decorated pad |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2321418A1 (fr) | 1992-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |