CA1114592A - Absorbent article - Google Patents
Absorbent articleInfo
- Publication number
- CA1114592A CA1114592A CA284,963A CA284963A CA1114592A CA 1114592 A CA1114592 A CA 1114592A CA 284963 A CA284963 A CA 284963A CA 1114592 A CA1114592 A CA 1114592A
- Authority
- CA
- Canada
- Prior art keywords
- pad
- article
- mass
- particles
- fibres
- 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
Links
- 239000002250 absorbent Substances 0.000 title claims abstract description 39
- 230000002745 absorbent Effects 0.000 title claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 28
- 210000001124 body fluid Anatomy 0.000 claims abstract description 5
- 239000010839 body fluid Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 42
- 239000002023 wood Substances 0.000 claims description 30
- 239000012815 thermoplastic material Substances 0.000 claims description 12
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000004927 fusion Effects 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000000835 fiber Substances 0.000 abstract description 49
- 239000004033 plastic Substances 0.000 abstract description 28
- 229920003023 plastic Polymers 0.000 abstract description 28
- 239000000126 substance Substances 0.000 description 39
- 238000004537 pulping Methods 0.000 description 22
- 230000000930 thermomechanical effect Effects 0.000 description 14
- 239000012530 fluid Substances 0.000 description 12
- 229920001131 Pulp (paper) Polymers 0.000 description 11
- 229920005610 lignin Polymers 0.000 description 11
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 101100172874 Caenorhabditis elegans sec-3 gene Proteins 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000003629 Rupture Diseases 0.000 description 1
- 229920001617 Vinyon Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002025 wood fiber Substances 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
- A61F13/45—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 shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/4702—Sanitary towels, incontinence pads or napkins having a reinforcing member
-
- 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
-
- 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
-
- 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
- A61F13/534—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 an inhomogeneous composition through the thickness of the pad
- A61F2013/53463—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 an inhomogeneous composition through the thickness of the pad with a reinforcing structure, e.g. net
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71578476A | 1976-08-19 | 1976-08-19 | |
| US715,784 | 1976-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114592A true CA1114592A (en) | 1981-12-22 |
Family
ID=24875467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA284,963A Expired CA1114592A (en) | 1976-08-19 | 1977-08-18 | Absorbent article |
Country Status (21)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ190690A (en) * | 1978-06-21 | 1981-03-16 | Johnson & Johnson | Production of absorbent facing material |
| JPS5530181U (enrdf_load_stackoverflow) * | 1978-08-18 | 1980-02-27 | ||
| DE2838618A1 (de) * | 1978-09-05 | 1980-03-06 | Bayer Ag | Verfahren zur verfestigung von wattebaendern aus synthesefasern fuer die tampon-herstellung |
| US20130018339A1 (en) * | 2011-07-12 | 2013-01-17 | Associated Hygienic Products Llc | Disposable Absorbent Article Design Utilizing Unbleached Pulp Fibers for the Absorbent Core |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1163491B (de) * | 1953-08-07 | 1964-02-20 | Chicopee Mfg Corp | Saugfaehige, zum einmaligen Gebrauch bestimmte Ein- oder Unterlage |
| DE1417379A1 (de) * | 1959-05-19 | 1968-10-10 | Lohmann Kg | Mehrlagiger Verbandstoff |
| DE1170531C2 (de) * | 1961-01-04 | 1973-04-05 | Siemens Ag | Stromwandler in Kaskadenbauweise mit geteiltem Isolator und mehreren Kernen unterschiedlicher Genauigkeit |
| DE2024831A1 (de) * | 1969-05-30 | 1970-12-03 | Mölnlycke AB, Göteborg (Schweden) | Für Kompressen, insbesondere für Menstruationsbinden und Windeln bestimmter saugfähiger Körper aus entfasertem Zellstoff |
| DE1962331C3 (de) * | 1969-12-12 | 1978-11-02 | Fa. Carl Freudenberg, 6940 Weinheim | Wundauflagematerial |
| GB1335547A (en) * | 1969-12-12 | 1973-10-31 | Freudenberg Carl | Non-woven fabrics |
| US3683921A (en) * | 1970-08-17 | 1972-08-15 | Berry A Brooks | Absorbent sponges |
| JPS4940029A (enrdf_load_stackoverflow) * | 1972-08-18 | 1974-04-15 | ||
| US3950219A (en) * | 1974-01-07 | 1976-04-13 | Johnson & Johnson | Method of manufacturing a stabilized fluffy batt of fibers and products resulting therefrom |
| US3976074A (en) * | 1975-08-08 | 1976-08-24 | Colgate-Palmolive Company | Absorbent article |
-
1977
- 1977-08-08 ZA ZA00774782A patent/ZA774782B/xx unknown
- 1977-08-10 AU AU27787/77A patent/AU518704B2/en not_active Ceased
- 1977-08-11 GR GR54142A patent/GR66824B/el unknown
- 1977-08-12 MX MX170223A patent/MX148630A/es unknown
- 1977-08-15 PH PH20123A patent/PH15563A/en unknown
- 1977-08-16 DK DK365477A patent/DK365477A/da not_active Application Discontinuation
- 1977-08-16 DE DE19772736816 patent/DE2736816A1/de not_active Ceased
- 1977-08-17 FR FR7725127A patent/FR2361835A1/fr active Granted
- 1977-08-17 GB GB34551/77A patent/GB1582475A/en not_active Expired
- 1977-08-18 IE IE1732/77A patent/IE45743B1/en unknown
- 1977-08-18 CH CH1016277A patent/CH625105A5/de not_active IP Right Cessation
- 1977-08-18 PT PT66937A patent/PT66937B/pt unknown
- 1977-08-18 ES ES461714A patent/ES461714A1/es not_active Expired
- 1977-08-18 IT IT50704/77A patent/IT1115917B/it active
- 1977-08-18 AT AT0596377A patent/ATA596377A/de not_active Application Discontinuation
- 1977-08-18 CA CA284,963A patent/CA1114592A/en not_active Expired
- 1977-08-18 BR BR7705489A patent/BR7705489A/pt unknown
- 1977-08-18 BE BE180261A patent/BE857900A/xx not_active IP Right Cessation
- 1977-08-19 NL NL7709207A patent/NL7709207A/xx not_active Application Discontinuation
- 1977-08-19 JP JP9941477A patent/JPS5326493A/ja active Granted
-
1978
- 1978-06-16 ES ES1978244581U patent/ES244581Y/es not_active Expired
-
1983
- 1983-12-30 MY MY129/83A patent/MY8300129A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PT66937A (en) | 1977-09-01 |
| IT1115917B (it) | 1986-02-10 |
| PH15563A (en) | 1983-02-11 |
| ATA596377A (de) | 1982-10-15 |
| BE857900A (fr) | 1977-12-16 |
| DK365477A (da) | 1978-02-20 |
| GR66824B (enrdf_load_stackoverflow) | 1981-05-04 |
| ES461714A1 (es) | 1978-12-01 |
| BR7705489A (pt) | 1978-04-25 |
| ES244581Y (es) | 1981-09-16 |
| FR2361835B1 (enrdf_load_stackoverflow) | 1983-10-28 |
| FR2361835A1 (fr) | 1978-03-17 |
| AU518704B2 (en) | 1981-10-15 |
| ZA774782B (en) | 1979-03-28 |
| NL7709207A (nl) | 1978-02-21 |
| AU2778777A (en) | 1979-02-15 |
| DE2736816A1 (de) | 1978-02-23 |
| ES244581U (es) | 1980-10-01 |
| JPS6136937B2 (enrdf_load_stackoverflow) | 1986-08-21 |
| JPS5326493A (en) | 1978-03-11 |
| PT66937B (en) | 1979-02-06 |
| IE45743B1 (en) | 1982-11-17 |
| CH625105A5 (en) | 1981-09-15 |
| IE45743L (en) | 1979-02-19 |
| GB1582475A (en) | 1981-01-07 |
| MX148630A (es) | 1983-05-19 |
| MY8300129A (en) | 1983-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |