US3088174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a reinforced plastic die
Assignee: Motors Liquidation Co
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Filing: 1959-01-28
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Granted: 1963-05-07
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Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Kolt Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:55
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/38; B29C33/3842; B21; B21D; B21D37/00; B21D37/20; Y; Y10; Y10S; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD OF PRODUCING A REINFORCED PLASTIC DIE WHICH COMPRISES FORMING A PLASTER CAST HAVING A SURFACE SAID FACE COAT SO AS TO COMPLETELY FILL THE INTERSTICES OF SAID MESH AND FORM A REINFORCED EXPOXY RESIN LAYER SURWITH THE SAME GENERAL CONTOUR AS THE SHEET METAL PART DESIRED, POSITIONING DAMMING AROUND THE PERIPHERY OF SAID ROUNDING SAID CORE, CURING SAID EPOXY RESIN TO FORM A FINISHED DIE AND REMOVING SAID DIE FROM SAID CAVITY. PLASTER CAST SO AS TO FORM A CASTING CAVITY, APPLYING A MOLD RELEASE AGENT TO SURFACES DEFINING SAID CASTING CAVITY, APPLYING A FACE COAAT OF FILLED EPOXY RESIN TO SAID SURFACE, THEREAFTER SUCCESSIVELY APPLYING A PLURALITY OF LAYER OF METAL MESH OVER THE SURFACE OF SAID FACE COAT, POSITIONING A HARDENED PLASTIC CORE MEMBER IN SAID CASING CAVITY ADJACENT SAID MESH, ENVELOPING SAID CORE WITH SAID MESH,
Claim 2
Independent Claim
141 words
A METHOD OF PRODUCING A REINFORCED PLASTIC DIE WHICH COMPRISES FORMING A PLASTER CAST HAVING A SURFACE SAID FACE COAT SO AS TO COMPLETELY FILL THE INTERSTICES OF SAID MESH AND FORM A REINFORCED EXPOXY RESIN LAYER SURWITH THE SAME GENERAL CONTOUR AS THE SHEET METAL PART DESIRED, POSITIONING DAMMING AROUND THE PERIPHERY OF SAID ROUNDING SAID CORE, CURING SAID EPOXY RESIN TO FORM A FINISHED DIE AND REMOVING SAID DIE FROM SAID CAVITY. PLASTER CAST SO AS TO FORM A CASTING CAVITY, APPLYING A MOLD RELEASE AGENT TO SURFACES DEFINING SAID CASTING CAVITY, APPLYING A FACE COAAT OF FILLED EPOXY RESIN TO SAID SURFACE, THEREAFTER SUCCESSIVELY APPLYING A PLURALITY OF LAYER OF METAL MESH OVER THE SURFACE OF SAID FACE COAT, POSITIONING A HARDENED PLASTIC CORE MEMBER IN SAID CASING CAVITY ADJACENT SAID MESH, ENVELOPING SAID CORE WITH SAID MESH,
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |