US3035630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for molding plastic articles
Assignee: Curtiss Wright Corp
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Filing: 1958-12-29
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Granted: 1962-05-22
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Donald M Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:07
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0025; B29C; B29C43/00; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/504; B29C70/54; B29C70/543; B29C70/56; B29K; B29K2101/00; B29K2101/10; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29L; B29L2031/00; B29L2031/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
APPARATUS FOR MANUFACTURING MOLDED PLASTIC ARTICLES HAVING MULTIPLE LAYERS OF REINFORCING MATERIAL FORMED THEREIN, SAID APPARATUS COMPRISING MEANS FOR RECEIVING AND ORIENTING A PLURALITY OF SUPER-IMPOSED CONTINUOUS TAPES OF SAID REINFORCING MATERIAL CORRESPONDING TO SAID LAYERS AND WHICH TAPES ARE IMPREGNATED WITH A THERMOSETTING RESIN, SAID MEANS INCLUDING A COMB MEMBER INCLUDING A PLURALITY OF SPACED SLOTS, EACH SLOT BEING ADAPTED TO PROPERLY ALIGN EACH TAPE WITH ADJACENT TAPES, MEANS FOR MERGING AND TACKING TOGETHER SAID ORIENTED TAPES, SAID LATTER MEANS COMPRISING A FIRST SET OF OPPOSITELY DISPOSED ROLLERS ADAPTED TO PRESS SAID TAPES TOGETHER WITH SUFFICIENT HEAT AND PRESSURE TO SOFTEN THE IMPREGNATED RESIN, A SECOND SET OF OPPOSITELY DISPOSED ROLLERS, SAID SECOND SET OF ROLLERS BEING ADAPTED TO CHILL SAID TAPES TO SLOW THE SETTING RATE OF SAID RESIN, AND MOLD MEANS FOR RECEIVING SAID TACKED TOGETHER TAPES FOR MOLDING THE SAME INTO SAID ARTICLES AND CURING THE SAME BY THE APPLICATION OF SUFFICIENT HEAT AND PRESSURE TO CAUSE RAPID POLYMERIZATION OF SAID RESIN.
Claim 2
Dependent Claim
166 words
APPARATUS FOR MANUFACTURING MOLDED PLASTIC ARTICLES HAVING MULTIPLE LAYERS OF REINFORCING MATERIAL FORMED THEREIN, SAID APPARATUS COMPRISING MEANS FOR RECEIVING AND ORIENTING A PLURALITY OF SUPER-IMPOSED CONTINUOUS TAPES OF SAID REINFORCING MATERIAL CORRESPONDING TO SAID LAYERS AND WHICH TAPES ARE IMPREGNATED WITH A THERMOSETTING RESIN, SAID MEANS INCLUDING A COMB MEMBER INCLUDING A PLURALITY OF SPACED SLOTS, EACH SLOT BEING ADAPTED TO PROPERLY ALIGN EACH TAPE WITH ADJACENT TAPES, MEANS FOR MERGING AND TACKING TOGETHER SAID ORIENTED TAPES, SAID LATTER MEANS COMPRISING A FIRST SET OF OPPOSITELY DISPOSED ROLLERS ADAPTED TO PRESS SAID TAPES TOGETHER WITH SUFFICIENT HEAT AND PRESSURE TO SOFTEN THE IMPREGNATED RESIN, A SECOND SET OF OPPOSITELY DISPOSED ROLLERS, SAID SECOND SET OF ROLLERS BEING ADAPTED TO CHILL SAID TAPES TO SLOW THE SETTING RATE OF SAID RESIN, AND MOLD MEANS FOR RECEIVING SAID TACKED TOGETHER TAPES FOR MOLDING THE SAME INTO SAID ARTICLES AND CURING THE SAME BY THE APPLICATION OF SUFFICIENT HEAT AND PRESSURE TO CAUSE RAPID POLYMERIZATION OF SAID RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |