US4803109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for protection and waterproofing of stitch lines in padding and padded garments
Assignee: Individual
•
Filing: 1987-06-23
•
Granted: 1989-02-07
•
Expires: 2007-06-23
Abstract
Abstract A method of waterproofing the stitch lines of padding material having a high degree of thermal insulation, usable in clothing and the like comprises the step of applying a tape composed of a support layer of polyamide fibre fabric, a waterproofing layer of polyurethane resin, and an adhesive layer of great adhesion and cohesion and based on elastomers.
Inventors
- 👤 Lucio Saniscalchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:27
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/16; D06M23/18; A; A41; A41D; A41D27/00; A41D27/24; B; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; B29C65/50; B29C65/5007; B29C65/5021; B29C65/5028; B29C65/5042; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/118; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/729; B29C66/7292; B29C65/56; B29C65/62; B29C66/03; B29C66/032; B29C66/0324; B29C66/03241; B29C66/03242; B29C66/71; B29K; B29K2995/00; B29K2995/0037; B29K2995/0068; B29K2995/0069; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2405
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
199 words
A method for the protection and waterproofing of lines of stitching between connected pieces of padding having a high degree of thermal insulation, comprising the steps of providing a self-adhesive tape having an adhesive side and an opposite non adhesive side; cold applying, by contact, over said lines of stitching said adhesive side of said self-adhesive tape, said self adhesive-tape having a support layer, a cladding of waterproofing synthetic resin coated on said non adhesive side of said self-adhesive tape and an elastomer based self-adhesive layer coated on said adhesive side, wherein said support layer is made from a polyamide fibre fabric of between 50 and 60 grammes/meter, said cladding of waterproofing synthetic resin is made of a polyurethane resin applied at a rate of 5-15 grammes/square meter and said elastomer based self-adhesive has the following formulation in parts by weight: ______________________________________
natural rubber 20.000
antioxidant (sterically inhibited
0.100
polyphenol)
active zinc oxide 2.000
zinc resinate 1.500
stearic acid 0.100
hydrogenated polycyclodiene
9.000
hydrocarbon resin
aliphatic hydrocarbon resin
2.000
with cyclic structure
polyaliphatic hydrocarbon resin
5.000
reactive alkylphenolic resin
3.500
terpene phenolic resin
2.000
polyvynil isobutyl ether
2.000
(60% in benzene)
hexane 50.000
toluene 50.000
methyl alcohol 2.000.
______________________________________
Claim 2
Independent Claim
199 words
A method for the protection and waterproofing of lines of stitching between connected pieces of padding having a high degree of thermal insulation, comprising the steps of providing a self-adhesive tape having an adhesive side and an opposite non adhesive side; cold applying, by contact, over said lines of stitching said adhesive side of said self-adhesive tape, said self adhesive-tape having a support layer, a cladding of waterproofing synthetic resin coated on said non adhesive side of said self-adhesive tape and an elastomer based self-adhesive layer coated on said adhesive side, wherein said support layer is made from a polyamide fibre fabric of between 50 and 60 grammes/meter, said cladding of waterproofing synthetic resin is made of a polyurethane resin applied at a rate of 5-15 grammes/square meter and said elastomer based self-adhesive has the following formulation in parts by weight: ______________________________________
natural rubber 20.000
antioxidant (sterically inhibited
0.100
polyphenol)
active zinc oxide 2.000
zinc resinate 1.500
stearic acid 0.100
hydrogenated polycyclodiene
9.000
hydrocarbon resin
aliphatic hydrocarbon resin
2.000
with cyclic structure
polyaliphatic hydrocarbon resin
5.000
reactive alkylphenolic resin
3.500
terpene phenolic resin
2.000
polyvynil isobutyl ether
2.000
(60% in benzene)
hexane 50.000
toluene 50.000
methyl alcohol 2.000.
______________________________________
Claim 3
Dependent Claim
35 words
An item of clothing having a layer of padding comprising a plurality of padding pieces stitched together, wherein the stitching lines joining said padding pieces are rendered waterproof by the method according to claim 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-07 | 1992-08-08 | 1993-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-07 | 1996-08-08 | 1997-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-07 | 2000-08-08 | 2001-02-07 | $7700.00 | Window Closed / Lapsed |