Patent US4801482A successfully refreshed from Google Patents.
US4801482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic nonwoven pad
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1986-10-15
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Granted: 1989-01-31
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Expires: 2006-10-15
Abstract
Abstract An elastic pad which is elastic in at least one direction, includes an elastic sheet having at least one nonelastic nonwoven web joined thereto at least at two areas. The nonelastic web is gathered between the two areas. The sheet may be formed from a polyetherester and the nonelastic nonwoven web may be a web of spunlaced hydraulically entangled polyester fibers. The nonelastic nonwoven web may also include rayon or wood pulp fibers.
Inventors
- 👤 Gary L. Goggans
- 👤 Cherie H. Everhart
- 👤 Stephen O. Chester
- 👤 J. Eric Frost
- 👤 Monica V. Ozbirn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:14
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; D04H1/559; B; B32; B32B; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/0276; B32B2262/0292; B32B2262/04; B32B2262/06; B32B2262/062; B32B2262/067; B32B2307/00; B32B2307/50; B32B2307/51; B32B2307/514; B32B2307/516; B32B2307/54; B32B2307/546; B32B2307/70; B32B2307/718; B32B2307/732; B32B2555/00; B32B2555/02; B32B27/00; B32B27/12; B32B27/28; B32B27/285; B32B27/32; B32B27/36; B32B27/40; B32B3/00; B32B3/26; B32B3/266; B32B3/30; B32B5/00; B32B5/02; B32B5/022; B32B5/04; B32B5/22; B32B5/24; B32B5/26; B32B7/00; B32B7/04; B32B7/05; B32B7/12; B32B7/14; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/23; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24727; Y10T428/24802; Y10T428/24826; Y10T428/25; Y10T428/253; Y10T428/27
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
70 words
An elastic pad formed from a composite elastic laminate which includes an elastic nonwoven web and at least one nonelastic web joined to said elastic nonwoven web at least at two areas and with said nonelastic web being gathered between said two areas, said pad comprising a top; and sides depending from said; and wherein said sides are adapted to retainingly engage an edge of a surface to be covered.
Claim 2
Dependent Claim
70 words
An elastic pad formed from a composite elastic laminate which includes an elastic nonwoven web and at least one nonelastic web joined to said elastic nonwoven web at least at two areas and with said nonelastic web being gathered between said two areas, said pad comprising a top; and sides depending from said; and wherein said sides are adapted to retainingly engage an edge of a surface to be covered.
Claim 3
Dependent Claim
13 words
The elastic pad of claim 1, wherein said pad is a mattress pad.
Claim 4
Dependent Claim
13 words
The elastic pad of claim 1, wherein said pad is a table pad.
Claim 5
Dependent Claim
21 words
The elastic pad of claim 1, wherein the composite elastic laminate has an interlayer bonding force of at least 2 kilograms.
Claim 6
Dependent Claim
19 words
The elastic pad of claim 4, wherein the interlayer bonding force is from about 2.5 to about 4.5 kilograms.
Claim 7
Dependent Claim
71 words
An elastic pad formed from a composite elastic laminate which includes an elastic nonwoven web and at least one nonelastic web joined to said elastic nonwoven web at least at two areas and with said nonelastic web being gathered between said two areas, said pad comprising: a top; and sides depending from said top; and wherein said sides are adapted to retainingly engage an edge of a surface to be covered.
Claim 8
Dependent Claim
71 words
An elastic pad formed from a composite elastic laminate which includes an elastic nonwoven web and at least one nonelastic web joined to said elastic nonwoven web at least at two areas and with said nonelastic web being gathered between said two areas, said pad comprising: a top; and sides depending from said top; and wherein said sides are adapted to retainingly engage an edge of a surface to be covered.
Claim 9
Dependent Claim
18 words
The elastic pad of claim 6, wherein said elastic sheet is an elastic nonwoven web of meltblown fibers.
Claim 10
Dependent Claim
30 words
The elastic pad of claim 7, wherein the basis weight of the elastic nonwoven web is from about 10 grams per square meter to about 200 grams per square meter.
Claim 11
Dependent Claim
29 words
The elastic pad of claim 7, wherein the basis weight of the nonelastic web is from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 12
Dependent Claim
13 words
The elastic pad of claim 7, wherein said melt-blown fibers are meltblown microfibers.
Claim 13
Dependent Claim
12 words
The elastic pad of claim 7, wherein the nonelastic web is apertured.
Claim 14
Dependent Claim
83 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a stretch-bonded laminate; including an elastic nonwoven web, said elastic web comprising fibers of a polyetherurethane material; and at least one nonelastic nonwoven web of spunlaced hydraulically entangled polyester fibers joined to said elastic web at least at two areas, said nonelastic web being gathered between said two areas.
Claim 15
Dependent Claim
83 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a stretch-bonded laminate; including an elastic nonwoven web, said elastic web comprising fibers of a polyetherurethane material; and at least one nonelastic nonwoven web of spunlaced hydraulically entangled polyester fibers joined to said elastic web at least at two areas, said nonelastic web being gathered between said two areas.
Claim 16
Dependent Claim
114 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a stretch-bonded laminate, said laminate including: an elastic nonwoven web, said elastic web comprising fibers of a polyetherester material having the formula of; ##STR3## where "G" is selected from the group including: poly(oxyethylene)-alpha, omega-diol poly(oxypropylene)-alpha, omega-diol poly(oxytetramethylene)-alpha, omega-diol and "a", "m" and "n" are positive integers; and at least one nonelastic nonwoven web of spunlaced hydraulically entangled polyester fibers joined to said elastic web at least at two areas and with said nonelastic web being gathered between said two areas.
Claim 17
Dependent Claim
114 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a stretch-bonded laminate, said laminate including: an elastic nonwoven web, said elastic web comprising fibers of a polyetherester material having the formula of; ##STR3## where "G" is selected from the group including: poly(oxyethylene)-alpha, omega-diol poly(oxypropylene)-alpha, omega-diol poly(oxytetramethylene)-alpha, omega-diol and "a", "m" and "n" are positive integers; and at least one nonelastic nonwoven web of spunlaced hydraulically entangled polyester fibers joined to said elastic web at least at two areas and with said nonelastic web being gathered between said two areas.
Claim 18
Dependent Claim
13 words
The elastic pad of claim 13, wherein said polyetherester fibers are meltblown fibers.
Claim 19
Dependent Claim
30 words
The elastic pad of claim 14, wherein the basis weight of the elastic nonwoven web is from about 10 grams per square meter to about 200 grams per square meter.
Claim 20
Dependent Claim
29 words
The elastic pad of claim 14, wherein the basis weight of the nonelastic web is from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 21
Dependent Claim
40 words
The elastic pad of claim 14, wherein said polyetherester material has a melt flow of from about 5.0 to about 6.0 grams per 10 minutes when measured in accordance with ASTM D-1238 at 190° C. under a 2,160 gram load.
Claim 22
Dependent Claim
13 words
The elastic pad of claim 14, wherein said meltblown fibers are meltblown microfibers.
Claim 23
Dependent Claim
12 words
The elastic pad of claim 14, wherein the nonelastic web is apertured.
Claim 24
Dependent Claim
25 words
The elastic pad of claim 14, wherein the nonelastic web further comprises fibers selected from the group consisting of rayon fibers or wood pulp fibers.
Claim 25
Dependent Claim
140 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a palindromic stretch-bonded laminate, said laminate including: an inner elastic nonwoven web having a basis weight of from about 20 grams per square meter to about 100 grams per square meter, said elastic web comprising meltblown fibers of a polyetheresterurethane material having a melt index of from about 5 grams per 10 minutes to about 20 grams per 10 minutes when measured at 190 degrees C. under a 2,160 gram load; and two outer nonelastic nonwoven webs comprising spunlaced hydraulically entangled polyester fibers, said nonelastic webs each having a basis weight of from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 26
Dependent Claim
140 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a palindromic stretch-bonded laminate, said laminate including: an inner elastic nonwoven web having a basis weight of from about 20 grams per square meter to about 100 grams per square meter, said elastic web comprising meltblown fibers of a polyetheresterurethane material having a melt index of from about 5 grams per 10 minutes to about 20 grams per 10 minutes when measured at 190 degrees C. under a 2,160 gram load; and two outer nonelastic nonwoven webs comprising spunlaced hydraulically entangled polyester fibers, said nonelastic webs each having a basis weight of from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 27
Dependent Claim
135 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a palindromic stretch-bonded laminate including: an inner elastic nonwoven web having a basis weight of from about 20 grams per square meter to about 100 grams per square meter, said elastic web comprising meltblown fibers of a polyetherester material having the formula of: ##STR4## where "G" is selected from the group including: poly(oxyethylene)-alpha, omega-diol poly(oxypropylene)-alpha, omega-diol poly(oxytetramethylene)-alpha, omega-diol and "a", "m" and "n" are positive integers; and two outer nonelastic nonwoven webs comprising spunlaced hydraulically entangled polyester fibers, said nonelastic webs each having a basis weight of from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 28
Dependent Claim
135 words
An elastic pad comprising: a top; and sides depending from said top that are adapted to retainingly engage an edge of a surface to be covered; and wherein said elastic pad is formed from a palindromic stretch-bonded laminate including: an inner elastic nonwoven web having a basis weight of from about 20 grams per square meter to about 100 grams per square meter, said elastic web comprising meltblown fibers of a polyetherester material having the formula of: ##STR4## where "G" is selected from the group including: poly(oxyethylene)-alpha, omega-diol poly(oxypropylene)-alpha, omega-diol poly(oxytetramethylene)-alpha, omega-diol and "a", "m" and "n" are positive integers; and two outer nonelastic nonwoven webs comprising spunlaced hydraulically entangled polyester fibers, said nonelastic webs each having a basis weight of from about 1 ounce per square yard to about 5 ounces per square yard.
Claim 29
Dependent Claim
25 words
The elastic pad of claim 22, wherein the nonelastic web further comprises fibers selected from the group consisting of rayon fibers or wood pulp fibers.
Claim 30
Dependent Claim
13 words
The elastic pad of claim 22, wherein said melt-blown fibers are meltblown microfibers.
Claim 31
Dependent Claim
12 words
The elastic pad of claim 22, wherein the nonelastic web is apertured.
Claim 32
Dependent Claim
21 words
The elastic pad of claim 22, wherein the composite elastic laminate has an interlayer bonding force of at least 2 kilograms.
Claim 33
Dependent Claim
19 words
The elastic pad of claim 26, wherein the interlayer bonding force is from about 2.5 to about 4.5 kilograms.
Claim 34
Dependent Claim
14 words
The elastic pad of claim 1, wherein said pad has a substantially rectangular shape.
Claim 35
Dependent Claim
14 words
The elastic pad of claim 1, wherein said pad has a substantially circular shape.
Claim 36
Dependent Claim
14 words
The elastic pad of claim 1, wherein said pad has a substantially square shape.
Claim 37
Dependent Claim
23 words
The elastic pad of claim 1, wherein said pad is capable of stretching at least about 25 percent in at least one direction.
Claim 38
Dependent Claim
13 words
The elastic pad of claim 1, wherein said pad is a table pad.
Claim 39
Dependent Claim
13 words
The elastic pad of claim 1, wherein said pad is a mattress pad.
Claim 40
Dependent Claim
32 words
The table pad of claim 32 having from about 40 percent to about 100 percent stretch in the machine direction and having up to about 40 percent stretch in the cross-machine direction.
Claim 41
Dependent Claim
23 words
The mattress pad of claim 33, wherein said pad is capable of stretching at least about 50 percent in at least one direction.
Claim 42
Dependent Claim
26 words
The mattress pad of claim 33, wherein said pad is capable of stretching from about 50 percent to about 100 percent in at least one direction.
Claim 43
Dependent Claim
21 words
The mattress pad of claim 33, wherein said pad is capable of stretching about 75 percent in at least one direction.
Claim 44
Dependent Claim
14 words
The elastic pad of claim 22, wherein said pad has a substantially rectangular shape.
Claim 45
Dependent Claim
14 words
The elastic pad of claim 22, wherein said pad has a substantially rectangular shape.
Claim 46
Dependent Claim
14 words
The elastic pad of claim 22, wherein said pad has a substantially rectangular shape.
Claim 47
Dependent Claim
23 words
The elastic pad of claim 22, wherein said pad is capable of stretching at least about 25 percent in at least one direction.
Claim 48
Dependent Claim
13 words
The elastic pad of claim 22, wherein said pad is a table pad.
Claim 49
Dependent Claim
13 words
The elastic pad of claim 22, wherein said pad is a mattress pad.
Claim 50
Dependent Claim
32 words
The table pad of claim 42 having from about 40 percent to about 100 percent stretch in the machine direction and having up to about 40 percent stretch in the cross-machine direction.
Claim 51
Dependent Claim
22 words
The mattress pad of claim 43, wherein said pad is capable of stretching at least 50 percent in at least one direction.
Claim 52
Dependent Claim
26 words
The mattress pad of claim 43, wherein said pad is capable of stretching from about 50 percent to about 75 percent in at least one direction.
Claim 53
Dependent Claim
21 words
The mattress pad of claim 43, wherein said pad is capable of stretching about 75 percent in at least one direction.
Claim 54
Dependent Claim
15 words
The elastic pad of claim 1, wherein said nonelastic web is a nonelastic nonwoven web.
Claim 55
Dependent Claim
15 words
The elastic pad of claim 6, wherein said nonelastic web is a nonelastic nonwoven web.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-31 | 1992-08-01 | 1993-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-31 | 1996-08-01 | 1997-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-31 | 2000-08-01 | 2001-01-31 | $7700.00 | Window Closed / Lapsed |