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 Title: |
US3946095:
Method of restoring the shape of a flexible-shell model
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Dziulak, Paul J.; Chicago, IL
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| Assignee: |
Carnation Company, Los Angeles, CA
other patents from CARNATION COMPANY (90075) (approx. 31)
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| Published / Filed: |
1976-03-23
/ 1973-12-03
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| Application Number: |
US1973000420875
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| IPC Code: |
Advanced:
B29C 44/58;
G09B 23/30;
Core:
B29C 44/34;
G09B 23/00;
IPC-7:
B29D 27/04;
B32B 35/00;
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| ECLA Code: |
B29C44/58C; G09B23/30;
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| U.S. Class: |
Current:
264/036.11;
264/036.16;
264/036.22;
264/046.6;
264/269;
428/016;
428/071;
428/076;
428/141;
428/160;
428/319.7;
Original:
264/036;
035/017;
264/046.6;
264/269;
428/071;
428/076;
428/141;
428/160;
428/315;
428/425;
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| Field of Search: |
264/045,36,46.6,36,267,269
161/020
035/017
046/115
428/071,76,141,160,315,425
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| Priority Number: |
| 1973-12-03 |
US1973000420875 |
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| Abstract: |
A method of restoring the shape of an anatomical model comprising placing mold inserts in the undercut portions of the model, charging the model with a foaming thermosetting plastic, and enclosing the model and mold inserts in a fixture. As the foaming thermosetting plastic expands, the model is pressed against the inserts and the fixture causing the model to assume the shape of the fixture and inserts.
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| Attorney, Agent or Firm: |
Quarton, Charles E. ;
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| Primary / Asst. Examiners: |
Anderson, Philip;
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| INPADOC Legal Status: |
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| Family: |
None
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First Claim:
Show all 10 claims |
What is claimed is:
1. A method of restoring the shape of a flexible-shell model having undercut portions comprising:
- positioning inserts having a fixed standard shape in the undercut portions of the flexible-shell model;
- charging the flexible-shell model with a measured amount of a foamable thermosetting plastic;
- enclosing the flexible-shell model and associated inserts in a fixture configured to resist internal pressure and maintain a fixed standard shape;
- foaming and curing the foamable thermosetting plastic in the flexible-shell model while the flexible-shell model is enclosed in the fixture and is forced outward by the foaming thermosetting plastic against the fixed standard shape of the fixture and the inserts.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 1 U.S. patent(s) that reference this one
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