US5032122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loop fastening material for fastening device and method of making same
Assignee: Procter and Gamble Co
•
Filing: 1989-05-17
•
Granted: 1991-07-16
•
Expires: 2009-05-17
Abstract
Abstract A loop fastening material having a backing of orientable material and a multiplicity of fibrous elements extending from the backing. The fibrous elements are formed by filaments positioned on the backing and secured to the backing when the orientable material of the backing is in its dimensionally unstable state. The filaments are preferably positioned on the backing parallel to each other and essentially parallel to the path of response of the orientable material. The filaments are intermittently secured to the backing at spaced, fixed regions along the filaments so that each pair of fixed regions defines therebetween an unsecured catching region. Thus, the fibrous elements are formed by the shirring of the filaments at the catching regions when the orientable material is caused to be transformed to its dimensionally stable state such that it is caused to contract or gather along its path of response. The loop fastening material is formed by a method comprising the steps of: providing a backing of orientable material in its dimensionally unstable state; positioning a plurality of filaments on the backing; securing the filaments to the backing at spaced, fixed regions along each of the filaments, the fixed regions defining between each pair an unsecured catching region; and causing the orientable material to be transformed along its path of response to its dimensionally stable state thereby shirring the filaments at the catching regions to form fibrous elements projecting from the backing between the fixed regions.
Inventors
- 👤 John R. Noel
- 👤 Charles L. Scripps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:35
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/69; A; A44; A44B; A44B18/00; A44B18/0003; A44B18/0011; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/62; A61F13/622; A61F13/627; B29C65/00; B29C65/02; B29C65/08; B29C66/70; B29C66/72; B29C66/723; B29C66/7234; B29C66/72343; B29C65/14; B29C66/71; B29C66/729; B29C66/7294; B29C66/73; B29C66/737; B29C66/7371; B29C66/73711; B29C66/73712; B29C66/73715; Y; Y10; Y10T; Y10T24/00; Y10T24/27
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
199 words
A disposable absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet associated with said topsheet, an absorbent core positioned between said topsheet and said backsheet, and a fastening device positioned on the disposable absorbent article. said fastening device comprising a loop fastening material capable of engaging a complementary hook fastening material, said hook fastening material comprising a base and a plurality of engaging elements extending from said base, said loop fastening material comprising a backing of orientable material having a dimensionally unstable state, a dimensionally stable state, and a path of response along which said material has been contracted from the unstable state to the stable state; and a multiplicity of fibrous elements extending from said backing, said fibrous elements comprising filaments that were positioned on said backing and secured to the surface of said backing while said orientable material was in its unstable state, said filaments being secured to said backing at spaced, fixed regions along the length of each of said filaments to define between each pair of fixed regions an unsecured catching region, wherein said fibrous elements comprise those filaments which have been shirred when said orientable material was contracted to its stable state.
Claim 2
Dependent Claim
199 words
A disposable absorbent article comprising a liquid pervious topsheet, a liquid impervious backsheet associated with said topsheet, an absorbent core positioned between said topsheet and said backsheet, and a fastening device positioned on the disposable absorbent article. said fastening device comprising a loop fastening material capable of engaging a complementary hook fastening material, said hook fastening material comprising a base and a plurality of engaging elements extending from said base, said loop fastening material comprising a backing of orientable material having a dimensionally unstable state, a dimensionally stable state, and a path of response along which said material has been contracted from the unstable state to the stable state; and a multiplicity of fibrous elements extending from said backing, said fibrous elements comprising filaments that were positioned on said backing and secured to the surface of said backing while said orientable material was in its unstable state, said filaments being secured to said backing at spaced, fixed regions along the length of each of said filaments to define between each pair of fixed regions an unsecured catching region, wherein said fibrous elements comprise those filaments which have been shirred when said orientable material was contracted to its stable state.
Claim 3
Dependent Claim
19 words
The disposable absorbent article of claim 1 wherein said filaments are positioned parallel to each other on said backing.
Claim 4
Dependent Claim
26 words
The disposable absorbent article of claim 2 wherein said filaments are positioned on said backing essentially parallel to the path of response of said orientable material.
Claim 5
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said filaments are randomly positioned on said backing.
Claim 6
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said filaments are continually secured across said filaments.
Claim 7
Dependent Claim
18 words
The disposable absorbent article of claim 5 wherein said filaments are secured across said filaments in spaced segments.
Claim 8
Dependent Claim
20 words
The disposable absorbent article of claim 1 wherein said filaments are secured to said backing in an evenly staggered pattern.
Claim 9
Dependent Claim
23 words
The disposable absorbent article of claim 5 wherein said filaments are secured across said filaments along essentially the entire width of said backing.
Claim 10
Dependent Claim
26 words
The disposable absorbent article of claim 1 wherein said filaments are secured to said backing essentially perpendicular to the path of response of said orientable material.
Claim 11
Dependent Claim
31 words
The disposable absorbent article of claim 1 wherein said filaments are secured to said backing at an angle to the direction perpendicular to the path of response of said orientable material.
Claim 12
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said filaments are adhesively secured to said backing.
Claim 13
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said filaments are heat/pressure sealed to said backing.
Claim 14
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said filaments are ultrasonically welded to said backing.
Claim 15
Dependent Claim
18 words
The disposable absorbent article of claim 13 wherein said filaments are ultrasonically welded at unitary zones of attachment.
Claim 16
Dependent Claim
19 words
The disposable absorbent article of claim 13 wherein said filaments are ultrasonically welded at discrete spaced zones of attachment.
Claim 17
Dependent Claim
15 words
The disposable absorbent article of claim 1 wherein said orientable material comprises an elastomeric material.
Claim 18
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein said orientable material comprises a heat shrinkable material.
Claim 19
Dependent Claim
16 words
The disposable absorbent article of claim 17 wherein said orientable material comprises a heat shrinkable polymer.
Claim 20
Dependent Claim
18 words
The disposable absorbent article of claim 18 wherein said heat shrinkable polymer is an ethylene vinyl acetate copolymer.
Claim 21
Dependent Claim
12 words
The disposable absorbent article of claim 1 wherein said filaments are continuous.
Claim 22
Dependent Claim
12 words
The disposable absorbent article of claim 20 wherein said filaments are threads.
Claim 23
Dependent Claim
13 words
The disposable absorbent article of claim 21 wherein said filaments are polypropylene fibers.
Claim 24
Dependent Claim
16 words
The disposable absorbent article of claim 1 wherein each of said filaments forms a fibrous element.
Claim 25
Dependent Claim
18 words
The disposable absorbent article of claim 1 wherein each of said filaments forms a plurality of fibrous elements.
Claim 26
Dependent Claim
30 words
The disposable absorbent article of claim 1 wherein each of said filaments forms a plurality of fibrous elements such that a plurality of loop tunnels are formed on said backing.
Claim 27
Dependent Claim
72 words
The disposable absorbent article of claim 1 wherein said orientable material comprises a heat shrinkable material, said filaments comprise continuous fibers that are positioned on said backing essentially parallel to the path of response of said orientable material and are ultrasonically welded to said backing continuously across said filaments in a direction essentially perpendicular to the path of response of said orientable material and across essentially the entire width of said backing.
Claim 28
Dependent Claim
31 words
The disposable absorbent article of claim 26 wherein each of said shirred filaments forms a plurality of fibrous elements such that a plurality of loop tunnels are formed on said backing.
Claim 29
Dependent Claim
15 words
The disposable absorbent article of claims 26 or 27 wherein said filaments are polypropylene fibers.
Claim 30
Dependent Claim
212 words
A disposable diaper comprising: a liquid pervious topsheet; a liquid impervious backsheet associated with said topsheet; an absorbent core positioned between said topsheet and said backsheet; and a tape fastening system comprising a) a tape tab comprising a hook fastening material having a base and a plurality of engaging elements extending from said base; and b) a second member disposed on the outside surface of said backsheet, said second member comprising a loop fastening material capable of engaging said hook fastening material, said loop fastening material comprising i) a backing of orientable material having a dimensionally unstable state, a dimensionally stable state, and a path of response along which said backing has been contracted from the unstable state to the stable state; and ii) a multiplicity of fibrous elements extending from said backing, said fibrous elements comprising filaments that were positioned on said backing and secured to the surface of said backing, while said backing was in its unstable state, said filaments being secured to said backing at spaced, fixed regions along the length of each of said filaments to define between each pair of fixed regions an unsecured catching region, wherein said fibrous elements comprise those filaments which have been shirred when said orientable material was contracted to its stable state.
Claim 31
Dependent Claim
212 words
A disposable diaper comprising: a liquid pervious topsheet; a liquid impervious backsheet associated with said topsheet; an absorbent core positioned between said topsheet and said backsheet; and a tape fastening system comprising a) a tape tab comprising a hook fastening material having a base and a plurality of engaging elements extending from said base; and b) a second member disposed on the outside surface of said backsheet, said second member comprising a loop fastening material capable of engaging said hook fastening material, said loop fastening material comprising i) a backing of orientable material having a dimensionally unstable state, a dimensionally stable state, and a path of response along which said backing has been contracted from the unstable state to the stable state; and ii) a multiplicity of fibrous elements extending from said backing, said fibrous elements comprising filaments that were positioned on said backing and secured to the surface of said backing, while said backing was in its unstable state, said filaments being secured to said backing at spaced, fixed regions along the length of each of said filaments to define between each pair of fixed regions an unsecured catching region, wherein said fibrous elements comprise those filaments which have been shirred when said orientable material was contracted to its stable state.
Claim 32
Dependent Claim
23 words
The disposable diaper of claim 29 wherein said filaments are continually secured across said filaments along essentially the entire width of said backing.
Claim 33
Dependent Claim
24 words
The disposable diaper of claim 30 wherein said filaments are secured to said backing essentially perpendicular to the path of response of said backing.
Claim 34
Dependent Claim
29 words
The disposable diaper of claim 31 wherein each of said filaments forms a plurality of fibrous elements such that a plurality of loop tunnels are formed on said backing.
Claim 35
Dependent Claim
33 words
The disposable diaper of claim 32 wherein said loop fastening material is oriented on the disposable absorbent article such that said loop tunnels extend essentially parallel to the end edge of the diaper.
Claim 36
Dependent Claim
14 words
The disposable diaper of claim 33 wherein said backing comprises a heat shrinkable material.
Claim 37
Dependent Claim
15 words
The disposable diaper of claim 34 wherein said filaments are ultrasonically welded to said backing.
Claim 38
Dependent Claim
15 words
The disposable diaper of claim 34 wherein said filaments are adhesively secured to said backing.
Claim 39
Dependent Claim
15 words
The disposable diaper of claim 34 wherein said filaments are heat/pressure sealed to said backing.
References Cited (Backward Citations)
US1917456A
Cited
US2021352A
Cited
US2434111A
Cited
US3245407A
Cited
US3577607A
Cited
US3715415A
Cited
US3943981A
Cited
US3639917A
Cited
US3959051A
Cited
US3913183A
Cited
US3860003A
Cited
US3860003B2
Cited
US3860003B1
Cited
US3955575A
Cited
DE2504242A1
Cited
US4303571A
Cited
US4429002A
Cited
US4606694A
Cited
US4537591A
Cited
US4582740A
Cited
US4531999A
Cited
JPS5988903A
Cited
US4515595A
Cited
US4543154A
Cited
US4604315A
Cited
US4640859A
Cited
US4600618A
Cited
US4714735A
Cited
US4732631A
Cited
US4654246A
Cited
EP0233364A2
Cited
US4920617A
Cited
EP0258015B1
Cited
US4725473A
Cited
US4846815A
Cited
US4894060A
Cited
EP0341993B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-15 | 1995-01-14 | 1995-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-15 | 1999-01-14 | 1999-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-15 | 2003-01-14 | 2003-07-16 | $7700.00 | Window Closed / Lapsed |