CA1143506A - Elasticized disposable diaper - Google Patents
Elasticized disposable diaperInfo
- Publication number
- CA1143506A CA1143506A CA000362850A CA362850A CA1143506A CA 1143506 A CA1143506 A CA 1143506A CA 000362850 A CA000362850 A CA 000362850A CA 362850 A CA362850 A CA 362850A CA 1143506 A CA1143506 A CA 1143506A
- Authority
- CA
- Canada
- Prior art keywords
- sheet
- disposable diaper
- elastic members
- secured
- backing sheet
- 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
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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A disposable diaper having elasticized crotch seals formed from elastic member secured to the backing sheet within 3/4 inch of the absorbent pad and under such tension as to minimize transverse pleats in the crotch area.
A disposable diaper having elasticized crotch seals formed from elastic member secured to the backing sheet within 3/4 inch of the absorbent pad and under such tension as to minimize transverse pleats in the crotch area.
Description
35~6 BACKGROUND OF THE INVENTION
FIELD OF THE INVENTION
This invention relates to disposable diapers and more par-ticularly to an elasticized and contoured diaper.
DESCRIPTION OF THE PRIOR ART
In the past elasticized contoured diapers have been developed such as that disclosed in the United States patent to Buell, No.
3,860,003, issued January 14, 1975, for "Contractable Side Portions for Disposable Diaper" wherein elastic strips are secured to the crotch portions of the diaper and spaced at least 3/4 inch from the absorbent pad to form elasticized crotch seals for securement over the legs of the infant to prevent loss of fluid from the interior of the diaper along the legs of the infant. The elasticized strips were placed more than 3/4 inch from the absorbent pad in order to prevent pleats forming transversely of the crotch area of the diaper.
Another diaper is presently in production in which the elas-ticized strips are less than 3/4 inch from the absorbent pad for the production of the transverse pleats in the crotch area of the diaper for the purpose of increasing the absorbent capacity at the crotch area of the diaper. However, it has been found that these pleats may act as a channel resulting in excessive diaper leakage and the pleats in the crotch area make the infant's bottom uncomfortable when sitting especially while the diaper is not saturated.
-,~
SUM~IARY OF TIIE INVENTION
. _ According to the present invention there is provided a disposable diaper comprising a backing sheet, an absorbent pad on said backing sheet~
a top sheet overlying said absorbent body, said top sheet being secured to said backing sheet on at least two opposite peripheral edges thereof, opposed elastic members secured to said backing sheet in at least the central portions of said two opposite peripheral edges to define crotch seals along the side edges of said diaper, said elastic members being less than 3/~ inch from said absorbent body, the tension on said elastic members being such that there will be only pleats along said crotch seals and no significant number of pleats transversely of the crotch area of said diaper when the diaper is in actual use.
Placing the elastic members less than 3/~ inch from the absorbent pad reduces the width of the crotch seals, thus rendering the diaper more comfortable. Maintaining and adjusting the tension on the elastic members so as to ensure that no transverse pleats are formed in the diaper, eliminates excessive leakage and discomfort of the pleats' prior saturation.
The preferred embodiment of the invention comprises a disposable diaper which is contoured in an hour-glass configuration and has an absorbent body between a top sheet and a backing sheet with elastic members secured to the backing sheet, but less than 3/~ inch from the absorbent body. The tension on the elastic members is such that there will be pleats only along the crotch seals and substantially no pleats transversely along the crotch area of the diaper.
BRIEF DESCRIPTION OF THE DRAWING
Figure 1 is a plan view of a diaper constructed in accordance with the concepts Of the present invention;
Figure 2 is a transverse sectional view taken along the plane of line 2-2 in Figure 1 through the crotch portion of the diaper; and Figure 3 is a transverse view taken along the plane of line 3-3 in Figure 1.
~i 1143506 I
W~th con~inuing re~erence to the accompanying drawing, wherein like reference numerals designa-te similar parts through-out the various view~, re~erence m~e~al 10 generally de6i~nates . an elasticized and contoured disposable diaper constructed in ~ accordance with the concepts o~ the present lnvention~ The diaper is of an hour-glaæs conflguration having a erotch area 12 and four portions o~ greater width defining ears 14, 16, 18 and 20. The di.aper includes a bac~ing sheet 22 of an impervious material such as polyeth~lene or polypropylene film.- A top ~ sheet 24, preferably ofa typical non-woven bonded (e.gO by resin latex) rayon or rayon-polyester fiber sheet or a spun bonded ~ sheet of polyethylene or polypropylene flbers, is sealed pre-¦ ferably by hot melt lines to the backing sheet along the peripheral edges o~ the diaper. An absorbent pad 26 i8 diBpoSed between the top sheet 24 and the backing sheet 22 and may be of conventional wood fluff (e.g. from chemical~semi-chemical or thermo-mechanical pulp) or the like. An upper waddin~ sheet 28 and a lower wadding sheet 30 are provided, the pad and the wadding sheet conformlng gen/3rally in contours to the hour-glass shape. A pair of el~sticized strips 34 and 36 which maybe provided w~th adhesiv~3 on at least the bottom surface thereof and optionall~ on the top surface or applied separately in these locations thereof., are bonded with the adhesive to the backing sheet 22 immediately ad~acent th~ pad 26 and in all events less than 3/4 inch from the pad. The adhesive may be ~ 11435{~6 ~;
¦ used as a continuous layer or discrete spot~ or llne6, and it may be any conventlonal hot melt or pre~ure-~ensitive adhesive and~ pre~erably, one that~ at ambient temperature~ i8 flexible and extensible (i.e. elastic-like) in natureO The strip~ 34 ~ and 36 may extend only the length of the crotch area 12 or may jl overlie the earred portio~ o~ the upper waddlng sheet 28, as I shown in Fig. 3, so that the ten~ion on the heat sealed backing sheet and top sheet provided by the elasticized strips iB such ~ that the pleats are only formed in the crotch seal~ formed by I the elasticized strips and portion~ 40 and 42 outwardly thereof and between the elasticized strip~ and the pad, while no signifl-j cant number of pleats are formed in the crotoh area 12. The ¦ top and bottQm wadding sheet~ may be the conventional paper or ¦ tlssue heretofore used in the art (i.e.c~lluloslc flber~) or ¦ may be formed of hydrophobic fibers (e.g. polyeæter, polyethylene or polypropylene) or rendered hydrophobic by sultable and con-ventional treatment~ (e.g. by resins).
The elastic strips 34 and 36 may be varied ln widths Il but generally from about 3-5 mm on the lower end to 10-12 mm 20 ¦l on the upper end with a range of about 5 to 8 mm being preferred.
The adhesive width may be somewhat greater or le~ser than that of the elastic strlps and typically for a 6mm elastlc strip would range from about 4-12 mm. Typical thicknes~es of strips l 34 and 36 range from a few mils (e.g. 1 to 5) to 15 or 20 mm, 25 ~ with the hlgher roryses more genera:L for fo~.
1, 1~
Il Il ~'135~6 One convenient process for makillg the diapers of this invention employs a conventional fluff forming technique, using, pre:ferably, wadding sheetx to carry the fluff pad between them. This composite is suitably cut to shape and then laid down on the larger size backsheet 22. Before applying the elastic strips 34 and 36, the diaper, while going through the fabricating machine is maintained, by suitable means (e.g. clamping fingers) in its fully extended position and the elastic strips are applied and secured to the diaper backsheet at an elongation of about 40 to 80% beyond its relaxed length and preferably at about 50 to 70% elongation and more preferably at about 55 to 65% elongation (e.g. typically 60% elongation). The top sheet 24 is then applied and secured as by adhesive means to the backsheet around the peripheral edges (outwardly of the pad 26). As described above, the top sheet 24 may be, and preferably is, secured to the elastic strips 34 and 36 as well. Reference is also hereby made to United States Patents 4,022,456 issued May 10, 1977 to L.C. Hooper et al and 4,081,301 issued March 28, 1978 to K.B. Buell for further specific details as to suitable apparatus and methods for assembling elastic absorbent structures as generally herein contemplated. Since it is preferred that the ends of the elastic strips, where they overlie (or under-lie) the ears of the absorbent pad, be unattached to the pad, no adhesive is provided in that section of the strips. By the foregoing construction, upon contraction of the elastic strips only the backsheet and other elements secured to the elastic strip are contracted to form pleats an~ the overall diaper generally assumes a bowl-like shape which facilitates placing the diaper on the baby and permits a better fit as well.
~ ~35~6 The elastic strips 34 and 36 may be o~ any suitable construct~on and materials BUCh as ~he conventlonal rubberized (or otherwis~ elastomerized) ~ibers or m~y be simply ~ strip o~ elastomeric re~in or ~oamad resin which may or m~y not be provided with adhesive. Such strips ~re generally avail~ble as double sided trans~er tapes (e.g. 3M Co. St. Paul, e~-o- ~ 469 ~ r r~ r~ t~
FIELD OF THE INVENTION
This invention relates to disposable diapers and more par-ticularly to an elasticized and contoured diaper.
DESCRIPTION OF THE PRIOR ART
In the past elasticized contoured diapers have been developed such as that disclosed in the United States patent to Buell, No.
3,860,003, issued January 14, 1975, for "Contractable Side Portions for Disposable Diaper" wherein elastic strips are secured to the crotch portions of the diaper and spaced at least 3/4 inch from the absorbent pad to form elasticized crotch seals for securement over the legs of the infant to prevent loss of fluid from the interior of the diaper along the legs of the infant. The elasticized strips were placed more than 3/4 inch from the absorbent pad in order to prevent pleats forming transversely of the crotch area of the diaper.
Another diaper is presently in production in which the elas-ticized strips are less than 3/4 inch from the absorbent pad for the production of the transverse pleats in the crotch area of the diaper for the purpose of increasing the absorbent capacity at the crotch area of the diaper. However, it has been found that these pleats may act as a channel resulting in excessive diaper leakage and the pleats in the crotch area make the infant's bottom uncomfortable when sitting especially while the diaper is not saturated.
-,~
SUM~IARY OF TIIE INVENTION
. _ According to the present invention there is provided a disposable diaper comprising a backing sheet, an absorbent pad on said backing sheet~
a top sheet overlying said absorbent body, said top sheet being secured to said backing sheet on at least two opposite peripheral edges thereof, opposed elastic members secured to said backing sheet in at least the central portions of said two opposite peripheral edges to define crotch seals along the side edges of said diaper, said elastic members being less than 3/~ inch from said absorbent body, the tension on said elastic members being such that there will be only pleats along said crotch seals and no significant number of pleats transversely of the crotch area of said diaper when the diaper is in actual use.
Placing the elastic members less than 3/~ inch from the absorbent pad reduces the width of the crotch seals, thus rendering the diaper more comfortable. Maintaining and adjusting the tension on the elastic members so as to ensure that no transverse pleats are formed in the diaper, eliminates excessive leakage and discomfort of the pleats' prior saturation.
The preferred embodiment of the invention comprises a disposable diaper which is contoured in an hour-glass configuration and has an absorbent body between a top sheet and a backing sheet with elastic members secured to the backing sheet, but less than 3/~ inch from the absorbent body. The tension on the elastic members is such that there will be pleats only along the crotch seals and substantially no pleats transversely along the crotch area of the diaper.
BRIEF DESCRIPTION OF THE DRAWING
Figure 1 is a plan view of a diaper constructed in accordance with the concepts Of the present invention;
Figure 2 is a transverse sectional view taken along the plane of line 2-2 in Figure 1 through the crotch portion of the diaper; and Figure 3 is a transverse view taken along the plane of line 3-3 in Figure 1.
~i 1143506 I
W~th con~inuing re~erence to the accompanying drawing, wherein like reference numerals designa-te similar parts through-out the various view~, re~erence m~e~al 10 generally de6i~nates . an elasticized and contoured disposable diaper constructed in ~ accordance with the concepts o~ the present lnvention~ The diaper is of an hour-glaæs conflguration having a erotch area 12 and four portions o~ greater width defining ears 14, 16, 18 and 20. The di.aper includes a bac~ing sheet 22 of an impervious material such as polyeth~lene or polypropylene film.- A top ~ sheet 24, preferably ofa typical non-woven bonded (e.gO by resin latex) rayon or rayon-polyester fiber sheet or a spun bonded ~ sheet of polyethylene or polypropylene flbers, is sealed pre-¦ ferably by hot melt lines to the backing sheet along the peripheral edges o~ the diaper. An absorbent pad 26 i8 diBpoSed between the top sheet 24 and the backing sheet 22 and may be of conventional wood fluff (e.g. from chemical~semi-chemical or thermo-mechanical pulp) or the like. An upper waddin~ sheet 28 and a lower wadding sheet 30 are provided, the pad and the wadding sheet conformlng gen/3rally in contours to the hour-glass shape. A pair of el~sticized strips 34 and 36 which maybe provided w~th adhesiv~3 on at least the bottom surface thereof and optionall~ on the top surface or applied separately in these locations thereof., are bonded with the adhesive to the backing sheet 22 immediately ad~acent th~ pad 26 and in all events less than 3/4 inch from the pad. The adhesive may be ~ 11435{~6 ~;
¦ used as a continuous layer or discrete spot~ or llne6, and it may be any conventlonal hot melt or pre~ure-~ensitive adhesive and~ pre~erably, one that~ at ambient temperature~ i8 flexible and extensible (i.e. elastic-like) in natureO The strip~ 34 ~ and 36 may extend only the length of the crotch area 12 or may jl overlie the earred portio~ o~ the upper waddlng sheet 28, as I shown in Fig. 3, so that the ten~ion on the heat sealed backing sheet and top sheet provided by the elasticized strips iB such ~ that the pleats are only formed in the crotch seal~ formed by I the elasticized strips and portion~ 40 and 42 outwardly thereof and between the elasticized strip~ and the pad, while no signifl-j cant number of pleats are formed in the crotoh area 12. The ¦ top and bottQm wadding sheet~ may be the conventional paper or ¦ tlssue heretofore used in the art (i.e.c~lluloslc flber~) or ¦ may be formed of hydrophobic fibers (e.g. polyeæter, polyethylene or polypropylene) or rendered hydrophobic by sultable and con-ventional treatment~ (e.g. by resins).
The elastic strips 34 and 36 may be varied ln widths Il but generally from about 3-5 mm on the lower end to 10-12 mm 20 ¦l on the upper end with a range of about 5 to 8 mm being preferred.
The adhesive width may be somewhat greater or le~ser than that of the elastic strlps and typically for a 6mm elastlc strip would range from about 4-12 mm. Typical thicknes~es of strips l 34 and 36 range from a few mils (e.g. 1 to 5) to 15 or 20 mm, 25 ~ with the hlgher roryses more genera:L for fo~.
1, 1~
Il Il ~'135~6 One convenient process for makillg the diapers of this invention employs a conventional fluff forming technique, using, pre:ferably, wadding sheetx to carry the fluff pad between them. This composite is suitably cut to shape and then laid down on the larger size backsheet 22. Before applying the elastic strips 34 and 36, the diaper, while going through the fabricating machine is maintained, by suitable means (e.g. clamping fingers) in its fully extended position and the elastic strips are applied and secured to the diaper backsheet at an elongation of about 40 to 80% beyond its relaxed length and preferably at about 50 to 70% elongation and more preferably at about 55 to 65% elongation (e.g. typically 60% elongation). The top sheet 24 is then applied and secured as by adhesive means to the backsheet around the peripheral edges (outwardly of the pad 26). As described above, the top sheet 24 may be, and preferably is, secured to the elastic strips 34 and 36 as well. Reference is also hereby made to United States Patents 4,022,456 issued May 10, 1977 to L.C. Hooper et al and 4,081,301 issued March 28, 1978 to K.B. Buell for further specific details as to suitable apparatus and methods for assembling elastic absorbent structures as generally herein contemplated. Since it is preferred that the ends of the elastic strips, where they overlie (or under-lie) the ears of the absorbent pad, be unattached to the pad, no adhesive is provided in that section of the strips. By the foregoing construction, upon contraction of the elastic strips only the backsheet and other elements secured to the elastic strip are contracted to form pleats an~ the overall diaper generally assumes a bowl-like shape which facilitates placing the diaper on the baby and permits a better fit as well.
~ ~35~6 The elastic strips 34 and 36 may be o~ any suitable construct~on and materials BUCh as ~he conventlonal rubberized (or otherwis~ elastomerized) ~ibers or m~y be simply ~ strip o~ elastomeric re~in or ~oamad resin which may or m~y not be provided with adhesive. Such strips ~re generally avail~ble as double sided trans~er tapes (e.g. 3M Co. St. Paul, e~-o- ~ 469 ~ r r~ r~ t~
Claims (8)
1 A disposable diaper comprising a backing sheet, an absorbent pad on said backing sheet, a top sheet overlying said absorbent body, said top sheet being secured to said backing sheet on at least two opposite peripheral edges thereof, opposed elastic members secured to said backing sheet in at least the central portions of said two opposite peripheral edges to define crotch seals along the side edges of said diaper, said elastic members being less than 3/4 inch from said absorbent body, the tension on said elastic members being such that there will be only pleats along said crotch seals and no significant number of pleats transversely of the crotch area of said diaper when the diaper is in actual use.
2. A disposable diaper according to claim 1, wherein said absorbent body is of an hourglass shape defining ears spaced from said crotch area.
3. A disposable diaper according to claim 1, an upper tissue wadding sheet overlying said pad, at least a portion of said elastic members being secured to said tissue sheet.
4. A disposable diaper according to claim 1, wherein said absorbent body is of an hour-glass shape defining ears spaced from said crotch area, an upper tissue wadding sheet overlying said pad, at least a portion of said elastic members being secured to said tissue sheet.
5. A disposable diaper according to claim 4, wherein said upper tissue wadding sheet overlie said ears, said elastic members overlying said ears.
6. A disposable diaper according to claim 1, wherein said top sheet and said backing sheet are bonded together along the peripheral edges thereof.
7. A disposable diaper according to claim 1, wherein said top sheet is bonded to said backing sheet by hot melt, or heat sealing techniques.
8. A disposable diaper according to claim 1 wherein the elastic members are elongated 50% to 70% before being secured to the backing sheet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9978479A | 1979-12-03 | 1979-12-03 | |
| US99,784 | 1979-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1143506A true CA1143506A (en) | 1983-03-29 |
Family
ID=22276601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000362850A Expired CA1143506A (en) | 1979-12-03 | 1980-10-21 | Elasticized disposable diaper |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5691002A (en) |
| AU (1) | AU532029B2 (en) |
| BE (1) | BE886447A (en) |
| BR (1) | BR8007022A (en) |
| CA (1) | CA1143506A (en) |
| CH (1) | CH653876A5 (en) |
| DE (1) | DE3039940A1 (en) |
| DK (1) | DK423080A (en) |
| ES (1) | ES262259U (en) |
| FR (1) | FR2471149B1 (en) |
| GB (1) | GB2063677B (en) |
| GR (1) | GR72463B (en) |
| IE (1) | IE50608B1 (en) |
| IT (1) | IT1128626B (en) |
| MX (1) | MX151896A (en) |
| NL (1) | NL8005688A (en) |
| PH (1) | PH18591A (en) |
| PT (1) | PT72042B (en) |
| ZA (1) | ZA806525B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509915A (en) | 1991-09-11 | 1996-04-23 | Kimberly-Clark Corporation | Thin absorbent article having rapid uptake of liquid |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1175602A (en) * | 1981-07-17 | 1984-10-09 | Mohammed I. Aziz | Disposable absorbent article having elasticized flaps provided with leakage resistant portions |
| US4430088A (en) * | 1981-12-07 | 1984-02-07 | Colgate-Palmolive Company | Diaper with cushioned elastic leg hold edges |
| ZA828673B (en) * | 1981-12-07 | 1984-06-27 | Colgate Palmolive Co | Elasticized disposable diaper |
| US4643728A (en) * | 1981-12-07 | 1987-02-17 | Colgate Palmolive Company | Elasticized diaper with waterproof crotch seals |
| US5415644A (en) | 1984-07-02 | 1995-05-16 | Kimberly-Clark Corporation | Diapers with elasticized side pockets |
| US4846823A (en) | 1984-07-02 | 1989-07-11 | Kimberly-Clark Corporation | Diapers with elasticized side pockets |
| CA2090797A1 (en) | 1992-12-02 | 1994-06-03 | Mary Anne Bruemmer | Absorbent article having dual barrier means |
| US5895382A (en) | 1993-04-26 | 1999-04-20 | Kimberly-Clark Worldwide, Inc. | Foreshortened containment flaps in a disposable absorbent article |
| SE508276C2 (en) * | 1993-11-15 | 1998-09-21 | Moelnlycke Ab | Disposable diaper with elasticated cuffs |
| US5601544A (en) | 1993-12-23 | 1997-02-11 | Kimberly-Clark Corporation | Child's training pant with elasticized shaped absorbent and method of making the same |
| JP4361075B2 (en) * | 2006-09-29 | 2009-11-11 | 大王製紙株式会社 | Disposable paper diapers |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860003B2 (en) * | 1973-11-21 | 1990-06-19 | Contractable side portions for disposable diaper | |
| US4050462A (en) * | 1976-03-29 | 1977-09-27 | Kimberly-Clark Corporation | Disposable diaper with elastically constricted crotch section |
| BR7808292A (en) * | 1977-12-20 | 1979-08-07 | Johnson & Johnson | DISPOSABLE DIAPER |
| AU522382B2 (en) * | 1977-12-29 | 1982-06-03 | Johnson & Johnson | Shaped absorbent pad for disposable diapers |
| FR2413048A1 (en) * | 1977-12-30 | 1979-07-27 | Beghin Say Sa | Throw-away diaper |
| AU4406279A (en) * | 1978-04-03 | 1979-10-18 | Johnson & Johnson | Diaper with contoured panel |
| IT1202749B (en) * | 1978-06-05 | 1989-02-09 | Fameccanica Spa | DISPOSABLE PANTS OF THE TYPE, WITH EXTERNAL COVER OF WATERPROOF MATERIAL WITH CAVITY OR CENTRAL TANK SUITABLE TO RECEIVE AN ABSORBENT BUFFER AND STRIPS OF PLASTIC MATERIAL LATERAL PRETESE BEFORE WELDING |
-
1980
- 1980-10-06 GR GR63055A patent/GR72463B/el unknown
- 1980-10-07 DK DK423080A patent/DK423080A/en not_active Application Discontinuation
- 1980-10-15 NL NL8005688A patent/NL8005688A/en not_active Application Discontinuation
- 1980-10-21 CA CA000362850A patent/CA1143506A/en not_active Expired
- 1980-10-23 DE DE19803039940 patent/DE3039940A1/en not_active Ceased
- 1980-10-23 ZA ZA00806525A patent/ZA806525B/en unknown
- 1980-10-23 ES ES1980262259U patent/ES262259U/en active Pending
- 1980-10-30 BR BR8007022A patent/BR8007022A/en unknown
- 1980-10-31 GB GB8035064A patent/GB2063677B/en not_active Expired
- 1980-11-10 PT PT72042A patent/PT72042B/en not_active IP Right Cessation
- 1980-11-18 IT IT50190/80A patent/IT1128626B/en active
- 1980-11-19 MX MX184840A patent/MX151896A/en unknown
- 1980-11-25 AU AU64666/80A patent/AU532029B2/en not_active Ceased
- 1980-11-28 JP JP16790180A patent/JPS5691002A/en active Granted
- 1980-12-01 IE IE2495/80A patent/IE50608B1/en unknown
- 1980-12-02 PH PH24933A patent/PH18591A/en unknown
- 1980-12-02 BE BE0/203005A patent/BE886447A/en not_active IP Right Cessation
- 1980-12-02 FR FR8025536A patent/FR2471149B1/en not_active Expired
- 1980-12-03 CH CH8942/80A patent/CH653876A5/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509915A (en) | 1991-09-11 | 1996-04-23 | Kimberly-Clark Corporation | Thin absorbent article having rapid uptake of liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| IE50608B1 (en) | 1986-05-28 |
| MX151896A (en) | 1985-05-02 |
| JPS5691002A (en) | 1981-07-23 |
| IT8050190A0 (en) | 1980-11-18 |
| BR8007022A (en) | 1981-06-09 |
| GR72463B (en) | 1983-11-10 |
| ES262259U (en) | 1982-06-16 |
| PT72042B (en) | 1981-10-21 |
| PT72042A (en) | 1980-12-01 |
| JPH0376941B2 (en) | 1991-12-09 |
| DE3039940A1 (en) | 1981-06-04 |
| IE802495L (en) | 1981-06-03 |
| FR2471149A1 (en) | 1981-06-19 |
| BE886447A (en) | 1981-04-01 |
| AU532029B2 (en) | 1983-09-15 |
| AU6466680A (en) | 1981-06-11 |
| GB2063677B (en) | 1984-04-26 |
| DK423080A (en) | 1981-06-04 |
| GB2063677A (en) | 1981-06-10 |
| PH18591A (en) | 1985-08-12 |
| FR2471149B1 (en) | 1985-07-19 |
| IT1128626B (en) | 1986-05-28 |
| CH653876A5 (en) | 1986-01-31 |
| ZA806525B (en) | 1982-05-26 |
| NL8005688A (en) | 1981-07-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |