Patent US4502156A successfully refreshed from Google Patents.
US4502156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for absorbing moisture
Assignee: Phillips Petroleum Co
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Filing: 1983-11-30
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Granted: 1985-03-05
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Expires: 2003-11-30
Abstract
Abstract An improved nonwoven polypropylene fabric, having the fibers on one side fused and the fibers on the opposite side unfused, which fabric when wetted exhibits a wet feeling on the fused side and a substantially dry feeling on the unfused side. Also disclosed are bandage, diaper, hat sweatband and headband or wristband structures employing the fabric as well as a method of transferring moisture from a moisture-bearing surface utilizing the fabric.
Inventors
- 👤 Marvin Wishman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:40
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/514; A61F13/51474; A61F13/51478; A42; A42C; A42C5/00; A42C5/02; A47; A47K; A47K10/00; A47K10/16; A61F13/51401; A61F13/51405; A61F13/53; A61F2013/530802; Y; Y10; Y10S; Y10S2/00; Y10S2/11; Y10S2/912; Y10S2/918
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
223 words
Moisture-absorbent band means suitable for use within the crown of a hat or the like for removing moisture from the skin, comprising: a strip of nonwoven fabric including a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric and forming liquid-pervious unfused fiber facing means for engaging a liquid-bearing surface and adapted to be positioned in moisture-conducting communication with the skin, and a second portion of said fibers being fused on the opposite side of said fabric separated from the liquid-bearing surface by said first portion of said fibers and adapted to be spaced from the skin by said unfused fibers, whereby liquid adsorbed by said liquid-pervious unfused fiber facing means, in the form of moisture from the skin contacting said unfused fibers, migrates through said unfused fibers by wicking action toward the fused fibers on the opposite side of said strip of nonwoven fabric; moisture-absorbent strip means disposed in moisture-conducting communication with the fused fibers on the opposite side of said strip of nonwoven fabric for absorbing moisture from the opposite side of said strip of nonwoven fabric; and means operatively related to said strip of nonwoven fabric for maintaining said liquid-pervious unfused fiber facing means about a portion of a wearer in moisture-conducting communication with the skin of the wearer.
Claim 2
Dependent Claim
223 words
Moisture-absorbent band means suitable for use within the crown of a hat or the like for removing moisture from the skin, comprising: a strip of nonwoven fabric including a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric and forming liquid-pervious unfused fiber facing means for engaging a liquid-bearing surface and adapted to be positioned in moisture-conducting communication with the skin, and a second portion of said fibers being fused on the opposite side of said fabric separated from the liquid-bearing surface by said first portion of said fibers and adapted to be spaced from the skin by said unfused fibers, whereby liquid adsorbed by said liquid-pervious unfused fiber facing means, in the form of moisture from the skin contacting said unfused fibers, migrates through said unfused fibers by wicking action toward the fused fibers on the opposite side of said strip of nonwoven fabric; moisture-absorbent strip means disposed in moisture-conducting communication with the fused fibers on the opposite side of said strip of nonwoven fabric for absorbing moisture from the opposite side of said strip of nonwoven fabric; and means operatively related to said strip of nonwoven fabric for maintaining said liquid-pervious unfused fiber facing means about a portion of a wearer in moisture-conducting communication with the skin of the wearer.
Claim 3
Dependent Claim
38 words
Moisture-absorbent band means in accordance with claim 1, wherein said means operatively related to said strip of nonwoven fabric is characterized further to include: means for securing said strip of nonwoven fabric within the crown of a hat.
Claim 4
Dependent Claim
37 words
Moisture-absorbent band means in accordance with claim 1 wherein said means operatively related to said strip of nonwoven fabric is characterized further to include: stitches securing said strip of nonwoven fabric within the crown of a hat.
Claim 5
Dependent Claim
187 words
Moisture-absorbent band means for removing moisture from the skin, comprising: a nonwoven fabric strip comprising a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric strip and forming moisture-pervious facing means for positioning in moisture-conducting communication with the skin, and a second portion of said fibers being fused on the opposite side of said fabric strip and spaced from said facing means by the unfused fibers, whereby moisture from the skin contacting said moisture-pervious facing means migrates through the unfused fibers by wicking action to the fused fibers on the opposite side of said nonwoven fabric strip; and moisture-absorbent strip means disposed in moisture-conducting communication with the fused fibers on the opposite side of said nonwoven fabric strip for absorbing moisture from the opposite side of said nonwoven fabric strip; and wherein said nonwoven fabric strip further includes opposite ends and means carried by said fabric strip for mutually engaging said opposite ends and maintaining said liquid-pervious unfused fiber facing means about a portion of a wearer in moisture-conducting communication with the skin of the wearer.
Claim 6
Dependent Claim
187 words
Moisture-absorbent band means for removing moisture from the skin, comprising: a nonwoven fabric strip comprising a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric strip and forming moisture-pervious facing means for positioning in moisture-conducting communication with the skin, and a second portion of said fibers being fused on the opposite side of said fabric strip and spaced from said facing means by the unfused fibers, whereby moisture from the skin contacting said moisture-pervious facing means migrates through the unfused fibers by wicking action to the fused fibers on the opposite side of said nonwoven fabric strip; and moisture-absorbent strip means disposed in moisture-conducting communication with the fused fibers on the opposite side of said nonwoven fabric strip for absorbing moisture from the opposite side of said nonwoven fabric strip; and wherein said nonwoven fabric strip further includes opposite ends and means carried by said fabric strip for mutually engaging said opposite ends and maintaining said liquid-pervious unfused fiber facing means about a portion of a wearer in moisture-conducting communication with the skin of the wearer.
Claim 7
Dependent Claim
25 words
Moisture-absorbent band means in accordance with claim 4, characterized further to include: means for securing said nonwoven fabric strip within the crown of a hat.
Claim 8
Dependent Claim
194 words
A sweatband suitable for use within the crown of a hat or the like, comprising: a strip of nonwoven fabric including a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric and forming liquid-pervious unfused fiber facing means for engaging a liquid-bearing surface and adapted to be positioned in moisture-conducting communication with the head of a wearer of said hat, and a second portion of said fibers being fused on the opposite side of said fabric separated from the liquid-bearing surface by said first portion of said fibers and adapted to be spaced from the head of the wearer of said hat by said unfused fibers and interposed between said unfused fibers and the crown of said hat, whereby liquid absorbed by said liquid-pervious unfused fiber facing means, in the form of moisture from the head of the wearer of said hat contacting said unfused fibers, migrates through said unfused fibers by wicking action toward the fused fibers on the opposite side of said strip of nonwoven fabric; and means for securing said strip of nonwoven fabric within the crown of said hat.
Claim 9
Dependent Claim
194 words
A sweatband suitable for use within the crown of a hat or the like, comprising: a strip of nonwoven fabric including a plurality of staple polypropylene fibers, a first portion of said fibers being unfused on a first side of said fabric and forming liquid-pervious unfused fiber facing means for engaging a liquid-bearing surface and adapted to be positioned in moisture-conducting communication with the head of a wearer of said hat, and a second portion of said fibers being fused on the opposite side of said fabric separated from the liquid-bearing surface by said first portion of said fibers and adapted to be spaced from the head of the wearer of said hat by said unfused fibers and interposed between said unfused fibers and the crown of said hat, whereby liquid absorbed by said liquid-pervious unfused fiber facing means, in the form of moisture from the head of the wearer of said hat contacting said unfused fibers, migrates through said unfused fibers by wicking action toward the fused fibers on the opposite side of said strip of nonwoven fabric; and means for securing said strip of nonwoven fabric within the crown of said hat.
Claim 10
Dependent Claim
35 words
The sweatband of claim 6 characterized further to include: moisture-absorbent strip means disposed in moisture-conducting communication with the fused fibers of said strip of nonwoven fabric for absorbing moisture from said strip of nonwoven fabric.
Claim 11
Dependent Claim
40 words
The sweatband of claim 6 characterized further to include: backing sheet means disposed adjacent to said fused fibers of said strip of nonwoven fabric for providing a moisture barrier between said strip of nonwoven fabric and crown of said hat.
Claim 12
Dependent Claim
76 words
The sweatband of claim 6 characterized further to include: moisture-absorbent strip means having first and second sides and disposed with the first side thereof in moisture-conducting communication with the fused fibers of said strip of nonwoven fabric for absorbing moisture from said nonwoven fabric strip; and backing sheet means disposed adjacent to the second side of said moisture-absorbent strip means for providing a moisture barrier between said moisture-absorbent strip means and the crown of said hat.
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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) | 1988-03-04 | 1988-09-03 | 1989-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-04 | 1992-09-03 | 1993-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-04 | 1996-09-03 | 1997-03-05 | $7700.00 | Window Closed / Lapsed |