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US3317645A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for forming molded articles

Assignee: International Fabric Molders Inc
•
Filing: 1963-06-24
•
Granted: 1967-05-02
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Expires: 1983-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert P Nirenberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:01
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)

US2126832A Cited
US3015598A Cited
US3070870A Cited
US3058154A Cited
US3225768A Cited
US3193598A Cited

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

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