CA1190351A - Box-pleated diaper with cushioned elastic members - Google Patents
Box-pleated diaper with cushioned elastic membersInfo
- Publication number
- CA1190351A CA1190351A CA000403112A CA403112A CA1190351A CA 1190351 A CA1190351 A CA 1190351A CA 000403112 A CA000403112 A CA 000403112A CA 403112 A CA403112 A CA 403112A CA 1190351 A CA1190351 A CA 1190351A
- Authority
- CA
- Canada
- Prior art keywords
- backing sheet
- elastic members
- box
- diaper
- disposable diaper
- 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
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
-
- 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
Abstract
BOX-PLEATED DIAPER WITH CUSHIONED ELASTIC MEMBERS
ABSTRACT OF THE DISCLOSURE
A box-pleated disposable diaper having cushioned elastic members secured between the backing sheet and the absorbent pad and adapted to overcome leakage through the leg hold edges while cushioning so as not to make indentations or marks on an infant's skin.
ABSTRACT OF THE DISCLOSURE
A box-pleated disposable diaper having cushioned elastic members secured between the backing sheet and the absorbent pad and adapted to overcome leakage through the leg hold edges while cushioning so as not to make indentations or marks on an infant's skin.
Description
119~)351 RACKGROUND OF T}~ INVENTION
__~
FIELD OF THE TNVENTIOR
This invention relates t~ disposable diapers an~ more partlcularly to an elasticized box-pleated diaper.
.
DEECRIPTIOE OF ~
In the past elasticized diapers have been developed ~or use only with contoured shaped configurations such as an hour~glass shape, such as that di~cl~ed in the IJnited States Patent to Buell, No. 3~860,003~ issued January 14, 1975, for "Contractable Side Portions for Disposable Diaper"
wherein elastic strips ~re secured to the crotch portions o~ the diaper ¦ and spaced at least 3/4 inch from the absorbent pad to ~orm elastici~ed ¦ crotch seals for securement over the legs of the infant to prevent loss of fluid ~rom the interior o~ the diaper along the leg~ of the infant. The ¦ elasticized strips were placed more than 3/4 inch rrom the absorbent pad ¦ in order to prevent pleats forming transversely o~ the crotch area of the ¦ diaper.
¦ Another contoured diaper i9 presently in production in which the ¦ elasticized strips are less than 3/4 inch from the absorbent pad for the ¦ production o~ the transverse pleats in the crotch area o~ the diaper ~or the purpose o~ increasine the absorbent capacity at the crotch area of the diaper. Th-ls diaper -ls di~closed in United States Patent No. 4,0503462.
However~ it has been found that theee pleats may act as a channel resulting in excess1ve ~laper leakage and the pleats i~ the crotch area make the in~ant'~ bottom uncomfortahle when sitting, especially while the diaper iB
not saturated.
.
.... .'.' _.
03~
The elasticized construction in both the previous contoured diapers as disclosed in -the aforesaid patents cause marks and indents to be ~ormed in the skin of the infant on which these types of diapers are used.
SUMMARY OF THE INVENTION
The present invention overcomes the disadvantages of both o-E -the prior axt contoured diapers.
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 pad, means securing said backing sheet -to said top sheet ~ith said pad therebetween, a pair oE spaced elasticized members wholly disposed between said backing sheet and said pad, so that said pad cushions the eEEect of all oE the elastic members, said diaper being Eolded into a box-pleat configuration.
Locating the elastic members between the pad and the backing sheet, thus cushioning the elastic action, prevents marks and indents being Eormed in the skin oE the infant while providing unexpectedly better protection against excessive leakage through leg hold edges.
llg~351 ~ L'~;Cl~I~'TION Ol~ T~TI~ J~I~AWING
Fig. l is a plan view of a box-pleated diaper constructed in ~ccordance with the concepts Or the present inventi~n;
Fig. 2 i~ a Sransverse sectional view taken along the plane of line 2-2 in Fîg. I of the diaper in arl unfolded ~tate;
Fig. 3 is a section detail view similar to Fig. 2 hut ~howing the diaper in a box-pleated ~olded eon~iguration;
Fig. 4 i~s an enlarged sectional detaliL view showing in particular the locus of an elastic member.
. ~
With continuing reférence to the accompanying àraYYing, wherein .
like reference numerals designate ~imilar parts throughout the various views, reference numeral lO generally designates an elasticized dis-posable diaper constructed in accordance with the concepts of the present invention .
The box-pleated diaper lO has a backing sheet 12 of an impervious material. A top sheet 24 of typically non-woven fibers such as polyethylene or polypropyLene fibers is provided and the backing sheet 12 ha~ portion~
l6 and ~8 folded over and sealed to edges of the top ~heet. An absorbent pad 26 of woocl fluff or the like is disposed between the top sheet 24 and the baclcing sheet l2. A pair of elasticized strips 34 and 36 are disposed between the balcking sheet 12 and the pad 2&~derlying portions 16 anà
ll~ of th(3 d.iap(3r. Thc diaper i~ It)klcd in ~ I)ox-plcalcd confi~uration having a central portion 40, two inwardly extending panels 42 and 44, and two ouS-wardly ext~nding panel~ 4~ and 48. Adhe~ive ~pots 47 may be u~ed to hold the pleats in place.
_ - _~ _ 11~3(~3~j~
The elastic memhers 34 and 36 may be secured by spots or lines of adhesive along preferabLy part of its lengt h in the crotch area of the diaper lO or aLternatisrely along its entile length. A further alternative is to use the same means iealing the top sheet to the backing sheet to seal the ends Or the elasticized strips 3~ and 36 to the backing sheet 22 and may b~ adhesive or hot rnelt lines.
. The elastic ~trips 34 and 36 may be of any suitable construction and materials such as the conventional rubberi~ed (or otherwise elastomer-ized) fibers or may be simply a strip of elastomeric re~in or foamed resin lo which may or ~:nay not be provided with a~hesive. Such strips are generally availahle as double-~ided tran~fer tapes (e.g. 3M Co., St. Paul, Minnesota, tape No. 465 high tack pre~sure-~ensil:i~re tape), ln addition one may apply the elastic material, e. g. rubber band, and secure same with a suitable adhesive ~hot melt or pressure sensitive type3, The adhe~3ive may 1~ be a continuou~ line or may be a serie~ of adhe~ive ~pots which may beapplied on one or both sides of the ela~tic material. In use, the diaper is positioned on the infant in a conventional manner with the converltional wai3t tape fastener placing ten~ion on the ela3tic members 34 and 36 thu~
forming crotch seals. However, the pad 26 is between the elastic member~
16 and l8 and the in~ant and ~erve~ to pr~vent lin es or marks being formed on the infant increasing comfort while increa~ing fluid i:ightness.
__~
FIELD OF THE TNVENTIOR
This invention relates t~ disposable diapers an~ more partlcularly to an elasticized box-pleated diaper.
.
DEECRIPTIOE OF ~
In the past elasticized diapers have been developed ~or use only with contoured shaped configurations such as an hour~glass shape, such as that di~cl~ed in the IJnited States Patent to Buell, No. 3~860,003~ issued January 14, 1975, for "Contractable Side Portions for Disposable Diaper"
wherein elastic strips ~re secured to the crotch portions o~ the diaper ¦ and spaced at least 3/4 inch from the absorbent pad to ~orm elastici~ed ¦ crotch seals for securement over the legs of the infant to prevent loss of fluid ~rom the interior o~ the diaper along the leg~ of the infant. The ¦ elasticized strips were placed more than 3/4 inch rrom the absorbent pad ¦ in order to prevent pleats forming transversely o~ the crotch area of the ¦ diaper.
¦ Another contoured diaper i9 presently in production in which the ¦ elasticized strips are less than 3/4 inch from the absorbent pad for the ¦ production o~ the transverse pleats in the crotch area o~ the diaper ~or the purpose o~ increasine the absorbent capacity at the crotch area of the diaper. Th-ls diaper -ls di~closed in United States Patent No. 4,0503462.
However~ it has been found that theee pleats may act as a channel resulting in excess1ve ~laper leakage and the pleats i~ the crotch area make the in~ant'~ bottom uncomfortahle when sitting, especially while the diaper iB
not saturated.
.
.... .'.' _.
03~
The elasticized construction in both the previous contoured diapers as disclosed in -the aforesaid patents cause marks and indents to be ~ormed in the skin of the infant on which these types of diapers are used.
SUMMARY OF THE INVENTION
The present invention overcomes the disadvantages of both o-E -the prior axt contoured diapers.
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 pad, means securing said backing sheet -to said top sheet ~ith said pad therebetween, a pair oE spaced elasticized members wholly disposed between said backing sheet and said pad, so that said pad cushions the eEEect of all oE the elastic members, said diaper being Eolded into a box-pleat configuration.
Locating the elastic members between the pad and the backing sheet, thus cushioning the elastic action, prevents marks and indents being Eormed in the skin oE the infant while providing unexpectedly better protection against excessive leakage through leg hold edges.
llg~351 ~ L'~;Cl~I~'TION Ol~ T~TI~ J~I~AWING
Fig. l is a plan view of a box-pleated diaper constructed in ~ccordance with the concepts Or the present inventi~n;
Fig. 2 i~ a Sransverse sectional view taken along the plane of line 2-2 in Fîg. I of the diaper in arl unfolded ~tate;
Fig. 3 is a section detail view similar to Fig. 2 hut ~howing the diaper in a box-pleated ~olded eon~iguration;
Fig. 4 i~s an enlarged sectional detaliL view showing in particular the locus of an elastic member.
. ~
With continuing reférence to the accompanying àraYYing, wherein .
like reference numerals designate ~imilar parts throughout the various views, reference numeral lO generally designates an elasticized dis-posable diaper constructed in accordance with the concepts of the present invention .
The box-pleated diaper lO has a backing sheet 12 of an impervious material. A top sheet 24 of typically non-woven fibers such as polyethylene or polypropyLene fibers is provided and the backing sheet 12 ha~ portion~
l6 and ~8 folded over and sealed to edges of the top ~heet. An absorbent pad 26 of woocl fluff or the like is disposed between the top sheet 24 and the baclcing sheet l2. A pair of elasticized strips 34 and 36 are disposed between the balcking sheet 12 and the pad 2&~derlying portions 16 anà
ll~ of th(3 d.iap(3r. Thc diaper i~ It)klcd in ~ I)ox-plcalcd confi~uration having a central portion 40, two inwardly extending panels 42 and 44, and two ouS-wardly ext~nding panel~ 4~ and 48. Adhe~ive ~pots 47 may be u~ed to hold the pleats in place.
_ - _~ _ 11~3(~3~j~
The elastic memhers 34 and 36 may be secured by spots or lines of adhesive along preferabLy part of its lengt h in the crotch area of the diaper lO or aLternatisrely along its entile length. A further alternative is to use the same means iealing the top sheet to the backing sheet to seal the ends Or the elasticized strips 3~ and 36 to the backing sheet 22 and may b~ adhesive or hot rnelt lines.
. The elastic ~trips 34 and 36 may be of any suitable construction and materials such as the conventional rubberi~ed (or otherwise elastomer-ized) fibers or may be simply a strip of elastomeric re~in or foamed resin lo which may or ~:nay not be provided with a~hesive. Such strips are generally availahle as double-~ided tran~fer tapes (e.g. 3M Co., St. Paul, Minnesota, tape No. 465 high tack pre~sure-~ensil:i~re tape), ln addition one may apply the elastic material, e. g. rubber band, and secure same with a suitable adhesive ~hot melt or pressure sensitive type3, The adhe~3ive may 1~ be a continuou~ line or may be a serie~ of adhe~ive ~pots which may beapplied on one or both sides of the ela~tic material. In use, the diaper is positioned on the infant in a conventional manner with the converltional wai3t tape fastener placing ten~ion on the ela3tic members 34 and 36 thu~
forming crotch seals. However, the pad 26 is between the elastic member~
16 and l8 and the in~ant and ~erve~ to pr~vent lin es or marks being formed on the infant increasing comfort while increa~ing fluid i:ightness.
Claims (5)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A disposable diaper comprising a backing sheet, an absorbent pad on said backing sheet, a top sheet overlying said absorbent pad, means securing said backing sheet to said top sheet with said pad therebetween, a pair of spaced elasticized members wholly disposed between said backing sheet and said pad, so that said pad cushions the effect of all of the elastic members, said diaper being folded into a box-pleat configuration.
2. A disposable diaper according to claim 1, wherein said backing sheet has marginal edges folded over said top sheet and bonded thereto, said marginal edges having said elastic members lying therebelow.
3. A disposable diaper according to claim 2, including means securing the central portions of said elastic members to said backing sheet.
4. A disposable diaper according to claim 2, wherein said box-pleat configuration includes a main body portion, an inwardly extending pair of panels, and an outwardly extending pair of panels, said elastic members being disposed in outer portions of said outwardly extending panels.
5. A disposable diaper according to claim 2, wherein said top sheet is bonded to said backing sheet by the same means securing the ends of said elasticized members to said backing sheet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26437181A | 1981-05-18 | 1981-05-18 | |
US264,371 | 1981-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1190351A true CA1190351A (en) | 1985-07-16 |
Family
ID=23005761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000403112A Expired CA1190351A (en) | 1981-05-18 | 1982-05-17 | Box-pleated diaper with cushioned elastic members |
Country Status (19)
Country | Link |
---|---|
JP (1) | JPS57210004A (en) |
AU (1) | AU546940B2 (en) |
BE (1) | BE893207A (en) |
BR (1) | BR8202852A (en) |
CA (1) | CA1190351A (en) |
CH (1) | CH654466A5 (en) |
DE (1) | DE3216170A1 (en) |
DK (1) | DK224282A (en) |
ES (1) | ES274465Y (en) |
FR (1) | FR2505619B1 (en) |
GB (1) | GB2101468B (en) |
GR (1) | GR76003B (en) |
IE (1) | IE53062B1 (en) |
IT (1) | IT1205573B (en) |
NL (1) | NL8202050A (en) |
NZ (1) | NZ200464A (en) |
PH (1) | PH26704A (en) |
PT (1) | PT74911B (en) |
ZA (1) | ZA823176B (en) |
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BR7900459A (en) * | 1978-01-27 | 1979-08-21 | Johnson & Johnson | DISPOSABLE DIAPER |
JPS5619504U (en) * | 1979-06-28 | 1981-02-20 | ||
SE425942C (en) * | 1979-07-02 | 1985-05-14 | Moelnlycke Ab | The disposable diaper |
-
1982
- 1982-04-29 NZ NZ200464A patent/NZ200464A/en unknown
- 1982-04-30 DE DE19823216170 patent/DE3216170A1/en not_active Withdrawn
- 1982-05-04 AU AU83245/82A patent/AU546940B2/en not_active Ceased
- 1982-05-07 GR GR68098A patent/GR76003B/el unknown
- 1982-05-07 ZA ZA823176A patent/ZA823176B/en unknown
- 1982-05-07 PH PH27250A patent/PH26704A/en unknown
- 1982-05-11 CH CH2931/82A patent/CH654466A5/en not_active IP Right Cessation
- 1982-05-17 IE IE1182/82A patent/IE53062B1/en unknown
- 1982-05-17 ES ES1982274465U patent/ES274465Y/en not_active Expired
- 1982-05-17 FR FR8208600A patent/FR2505619B1/en not_active Expired
- 1982-05-17 CA CA000403112A patent/CA1190351A/en not_active Expired
- 1982-05-17 JP JP57082975A patent/JPS57210004A/en active Granted
- 1982-05-17 PT PT74911A patent/PT74911B/en unknown
- 1982-05-17 IT IT48436/82A patent/IT1205573B/en active
- 1982-05-17 GB GB08214236A patent/GB2101468B/en not_active Expired
- 1982-05-17 BR BR8202852A patent/BR8202852A/en unknown
- 1982-05-17 BE BE0/208106A patent/BE893207A/en unknown
- 1982-05-18 DK DK224282A patent/DK224282A/en not_active Application Discontinuation
- 1982-05-18 NL NL8202050A patent/NL8202050A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK224282A (en) | 1982-11-19 |
BR8202852A (en) | 1983-04-26 |
JPH0316137B2 (en) | 1991-03-04 |
FR2505619A1 (en) | 1982-11-19 |
JPS57210004A (en) | 1982-12-23 |
PH26704A (en) | 1992-09-15 |
CH654466A5 (en) | 1986-02-28 |
PT74911B (en) | 1983-12-02 |
IT1205573B (en) | 1989-03-23 |
DE3216170A1 (en) | 1982-12-09 |
IE821182L (en) | 1982-11-18 |
AU546940B2 (en) | 1985-09-26 |
BE893207A (en) | 1982-11-17 |
IE53062B1 (en) | 1988-05-25 |
AU8324582A (en) | 1982-11-25 |
PT74911A (en) | 1982-06-01 |
ES274465Y (en) | 1984-08-16 |
NL8202050A (en) | 1982-12-16 |
ES274465U (en) | 1984-01-16 |
GB2101468A (en) | 1983-01-19 |
NZ200464A (en) | 1984-10-19 |
IT8248436A0 (en) | 1982-05-17 |
FR2505619B1 (en) | 1985-11-29 |
GR76003B (en) | 1984-08-03 |
ZA823176B (en) | 1983-12-28 |
GB2101468B (en) | 1985-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |