Patent US3317645A successfully refreshed from Google Patents.
US3317645A
Expired / Lapsed
US
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Method for forming molded articles
Assignee: International Fabric Molders Inc
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Filing: 1963-06-24
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Granted: 1967-05-02
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert P Nirenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:49
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C66/00; B29C66/70; B29C66/72; B29C66/727; B29C66/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
THE METHOD OF FORMING A SHAPED THREE-DIMENSIONAL ARTICLE HAVING FLEXIBILITY AND DURABLE SHAPE RETENTIONS, FROM A TEXTILE MATERIAL, WHICH COMPRISES: (A) BRINGING TOGETHER IN LAYERED RELATIONSHIP A LAYER OF DEFORMABLE TEXTILE MATERIAL AND A LAYER OF A DEFLEXIBLE THERMOPLASTIC MATERIAL, THE LATTER HAVING A THICKNESS OF FROM ABOUT 0.0005 TO ABOUT 0.004 INCH; (B) APPLYING HEAT TO BE LAYERED MATERIALS OF (A) AT A TEMPERATURE OF AT LEAST THE MELT POINT OF SAID THERMOPLASTIC MATERIAL AND BELOW THE MELT POINT OF SAID TEXTILE MATERIAL, WHEREBY SAID LAYER OF THERMOPLASTIC MATERIAL IS MELTED SO AS TO COMPLETELY LOSE ITS INTEGRITY ACROSS ITS ENTIRE SURFACE AND TO FLOW INTO AND BECOME A PART OF SAID TEXTILE MATERIAL; AND (C) APPLYING PRESSURE TO SAID LAYERED MATERIAL IN A COMPRESSION MOLD SIMULTANEOUSLY WITH THE APPLICATION OF SAID HEAT TO FORM SAID MATERIALS INTO A PERMANENT THREE-DIMENSIONAL CONFIGURATION, SAID LAYERS BEING MERGED, MOLDED SET SIMULTANEOUSLY DURING SAID MOLDING OPERATION.
Claim 2
Independent Claim
154 words
THE METHOD OF FORMING A SHAPED THREE-DIMENSIONAL ARTICLE HAVING FLEXIBILITY AND DURABLE SHAPE RETENTIONS, FROM A TEXTILE MATERIAL, WHICH COMPRISES: (A) BRINGING TOGETHER IN LAYERED RELATIONSHIP A LAYER OF DEFORMABLE TEXTILE MATERIAL AND A LAYER OF A DEFLEXIBLE THERMOPLASTIC MATERIAL, THE LATTER HAVING A THICKNESS OF FROM ABOUT 0.0005 TO ABOUT 0.004 INCH; (B) APPLYING HEAT TO BE LAYERED MATERIALS OF (A) AT A TEMPERATURE OF AT LEAST THE MELT POINT OF SAID THERMOPLASTIC MATERIAL AND BELOW THE MELT POINT OF SAID TEXTILE MATERIAL, WHEREBY SAID LAYER OF THERMOPLASTIC MATERIAL IS MELTED SO AS TO COMPLETELY LOSE ITS INTEGRITY ACROSS ITS ENTIRE SURFACE AND TO FLOW INTO AND BECOME A PART OF SAID TEXTILE MATERIAL; AND (C) APPLYING PRESSURE TO SAID LAYERED MATERIAL IN A COMPRESSION MOLD SIMULTANEOUSLY WITH THE APPLICATION OF SAID HEAT TO FORM SAID MATERIALS INTO A PERMANENT THREE-DIMENSIONAL CONFIGURATION, SAID LAYERS BEING MERGED, MOLDED SET SIMULTANEOUSLY DURING SAID MOLDING OPERATION.
References Cited (Backward Citations)
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |