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 Title: |
US5766400:
Method of producing prefabricated multi layered flexible products and products having improved sealing profiles resulting therefrom
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Gallagher, Jr., Joseph E.; Mechanicsville, PA
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| Assignee: |
Liteliner, L.L.C., Mechanicsville, PA
other patents from LITELINER, L.L.C. (741892) (approx. 1)
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| Published / Filed: |
1998-06-16
/ 1996-08-27
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| Application Number: |
US1996000697648
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| IPC Code: |
Advanced:
A41D 27/24;
B29C 65/00;
B29C 65/04;
B29C 65/50;
B29C 65/74;
IPC-7:
B32B 31/00;
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| ECLA Code: |
B29C66/43; A41D27/24B; B29C65/04; B29C65/50C; B29C65/7441; B29C66/1122; B29C66/729; B29C66/7292; B29C66/91443; L29C66/91; L29K313/00; L29K995/00F17B; L29L9/00; L29L31/48D6; L29C66/24;
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| U.S. Class: |
Current:
156/251;
156/267;
156/269;
156/290;
156/308.4;
Original:
156/251;
156/267;
156/269;
156/290;
156/308.4;
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| Field of Search: |
156/251,267,269,290,308.4,510,515,549
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| Priority Number: |
| 1996-08-27 |
US1996000697648 |
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| Abstract: |
A prefabricated multi-layered flexible product which can be used as a liner for an outer shell or as a stand-alone product. A substrate fabric material is placed in parallel with a synthetic film membrane to form a two ply laminate, and with outer substrate fabric material(s) to form multi- ply laminates. A thermoplastic film is strategically placed in between the layers to enhance bonding. The laminate(s) and/or separate sheets of above materials are assembled by using a radio frequency welding process and then cut into two or three dimensional forms, which in their bonded state form either a prefabricated component liner or a prefabricated stand alone product. The form may be a glove, sock, shirt, boot/shoe, hat, jacket, pant, etc.
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| Attorney, Agent or Firm: |
Lundeen, Daniel N. ;
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| Primary / Asst. Examiners: |
Sells, James;
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| Maintenance Status: |
E3 Expired Check current status
CC Certificate of Correction issued
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Designated Country: |
AL AM AP AZ BA BB BG BY CA CH CN CU CZ EE GE GH HU IL IS JP KE KG KP KR KZ LC AT BE DE DK ES FI FR GB GR IE IT
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| Family: |
Show 30 known family members
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First Claim:
Show all 16 claims |
What is claimed is:
1. A method of producing a prefabricated multi-layered flexible product, comprising the steps of:
- a) overlaying a first substrate fabric material in a parallel configuration onto a synthetic film membrane to form a top section;
- b) repeating said overlaying step with a second substrate fabric material and another synthetic film membrane to create a bottom section;
- c) positioning a thermoplastic film between said top section and said bottom section, said thermoplastic film being selected from the group consisting of thermoplastic films without adhesive properties or thermoplastic films with adhesive properties;
- d) welding said top section, said thermoplastic film, and said bottom section together to provide a leak proof seal at a perimeter of an outer edge of said substrate fabric material in a predetermined form;
- e) cutting said welded material to finish a seam within a predetermined width to form said prefabricated multi-layered flexible product; and
- f) removing a remaining portion of said thermoplastic film not used in said welding step.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 9 U.S. patent(s) that reference this one
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| U.S. References: |
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| Forward references (9)
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Backward references (27)
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Citation Link
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PDF |
Patent |
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1996-08 |
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