§
Luxuse
Patent Intelligence
Sign In
← Back to Patent Explorer
US3821065A Expired / Lapsed US ⏱️ 0.0 years remaining

Foam-fibrous pad

Assignee: Jason Inc
•
Filing: 1972-04-06
•
Granted: 1974-06-28
•
Expires: 1992-04-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A foam-fibrous pad and method for making the same, the pad comprising a layer of fabric sheeting, a layer of fibers and a layer of foam. The fibers are needled into the sheeting to form composite backing and the fiber side of the composite backing is then sprayed or otherwise coated with a fine coating of heatsensitive, pressure sensitive, contact sensitive, adhesive or any other adhesive with a controlled degree of adhesion. The foam layer is combined with the adhesive-sprayed or coated fiber side of the composite backing to form the complete pad while overfeeding the foam and simultaneously needling the composite to the foam. The overfeeding produces a curvature away from the foam layer which facilitates application of the pad to small radius curves. The final step is to partially adhere the foam to the backing by means of the adhesive with heat or other means depending on the type of adhesive used, thereby premanently bonding the several layers in their curved state.

Inventors

  • 👤 R Copeland
  • 👤 F Peters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:04
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; B32B1/00; B32B5/02; B32B5/06; B32B5/08; B32B5/18; B32B5/26; B32B7/00; B32B7/04; B32B7/12; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/0261; B32B2262/0269; B32B2262/0276; B32B2262/04; B32B2262/06; B32B2262/062; B32B2262/08; B32B2262/14; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0221; B32B2266/0235; B32B2266/0264; B32B2266/0278; B32B2307/00; B32B2307/50; B32B2307/58; B32B2605/00; B32B2605/003; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249987; Y10T442/00; Y10T442/60; Y10T442/647; Y10T442/652; Y10T442/682

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 20 words
A foam-fibrous pad as described in claim 1 wherein said foam includes no internal forces whereby said pad is flat.
Claim 2
Dependent Claim 32 words
A foam-fibrous pad as described in claim 1 wherein said foam is under longitudinal compression whereby said pad includes a permanent curvature away from said foam side and toward said composite side.
Claim 3
Dependent Claim 46 words
A foam-fibrous pad in accordance with claim 1 wherein said fabric sheeting is formed from a material in the group including cotton, nylon, rayon, polyester, polypropylene, and mixtures and blends thereof, such sheeting having a weight between about 1 1/2 and 6 ounces per square yard.
Claim 4
Dependent Claim 14 words
A foam-fibrous pad in accordance with claim 1 wherein said fibers are randomly oriented.
Claim 5
Dependent Claim 33 words
A foam-fibrous pad in accordance with claim 5 wherein said fibers are formed from a material in the group including wool, cotton, rayon, nylon, polyester, polypropylene, acetate, spandex and mixtures and combinations thereof.
Claim 6
Dependent Claim 30 words
A foam-fibrous pad in accordance with claim 1 wherein said foam is formed from a material in the group including polyester urethane foam, polyether urethane foam, and polyvinyl chloride foam.
Claim 7
Dependent Claim 28 words
A foam-fibrous pad in accordance with claim 1 wherein adhesive is selected from the group including polymers and copolymers of vinyl chloride, vinyl acetate, acrylate, polyethlene and polypropylene.
Claim 8
Dependent Claim 121 words
A foam-fibrous pad comprising a first lamina having a first length and including the composite of a plurality of fibers and bendable support means therefor; a second lamina having a length greater than said first length and including a sheet of compressible foam; said first lamina being generally parallel to and secured to said second lamina with the fibers of said first lamina being secured to said foam and with the ends of said foam being generally coterminous with the ends of said first lamina; said foam sheet compressed along its length when said pad is held flat, said foam sheet being expandable when said pad is relaxed to cause said pad to include a curvature away from said foam sheet.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-27 1977-12-27 1978-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-27 1981-12-27 1982-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-27 1985-12-27 1986-06-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag