Patent US3271816A successfully refreshed from Google Patents.
US3271816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for moulding articles from plastic materials
Assignee: Calmec Manufacturing Ltd
•
Filing: 1965-04-16
•
Granted: 1966-09-13
•
Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jack M Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:39
CPC Classifications
B; B65; B65B; B65B61/00; B65B61/04; B65B61/06; B29; B29C; B29C51/00; B29C51/26; B29C31/00; B29C31/004; B29C49/00; B29C49/28; B29C49/28006; B29C51/04; B29C51/18; B29C51/20; B29C51/30; B29C51/32; B65B11/00; B65B11/50; B65B11/52; B65B47/00; B65B47/02; B29C51/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
APPARATUS FOR MOULDING ARTICLES FROM THERMOPLASTIC MATERIAL COMPRISING AN ELONGATED SUPPORTING STRUCTURE WHICH, WHEN DISPOSED CLOSE TO THE OUTLET OF AN EXTRUSION APPARATUS, PROVIDES A PATH ALONG WHICH MATERIAL EMERGING FROM SAID OUTLET CAN BE DRIVEN, MEANS FOR DRIVING MATERIAL EMERGING FROM SAID OUTLET ALONG THE SAID PATH, SAID DRIVING MEANS INCLUDING MEANS WHICH ARE ADAPTED TO ENGAGE MATERIAL EMERGING FROM SAID OUTLET AND TO DRAW MATERIAL INTO SAID PATH AT A RATE WHICH IS ADJUSTED RELATIVE TO THE RATE OF SUPPLY OF MATERIAL FROM SAID EXTRUSION APPARATUS SO THAT MATERIAL OF PREDETERMINED THICKNESS IS SUPPLIED TO SAID PATH, TOOL MEANS RECIPROCABLY MOUNTED ON SAID SUPPORTING STRUCTURE, MEANS FOR CAUSING SAID TOOL MEANS TO ENGAGE A SECTION OF HEATED MATERIAL CLOSE TO SAID OUTLET, MEANS FOR ADVANCING SAID ENGAGED TOOL
Claim 2
Dependent Claim
130 words
APPARATUS FOR MOULDING ARTICLES FROM THERMOPLASTIC MATERIAL COMPRISING AN ELONGATED SUPPORTING STRUCTURE WHICH, WHEN DISPOSED CLOSE TO THE OUTLET OF AN EXTRUSION APPARATUS, PROVIDES A PATH ALONG WHICH MATERIAL EMERGING FROM SAID OUTLET CAN BE DRIVEN, MEANS FOR DRIVING MATERIAL EMERGING FROM SAID OUTLET ALONG THE SAID PATH, SAID DRIVING MEANS INCLUDING MEANS WHICH ARE ADAPTED TO ENGAGE MATERIAL EMERGING FROM SAID OUTLET AND TO DRAW MATERIAL INTO SAID PATH AT A RATE WHICH IS ADJUSTED RELATIVE TO THE RATE OF SUPPLY OF MATERIAL FROM SAID EXTRUSION APPARATUS SO THAT MATERIAL OF PREDETERMINED THICKNESS IS SUPPLIED TO SAID PATH, TOOL MEANS RECIPROCABLY MOUNTED ON SAID SUPPORTING STRUCTURE, MEANS FOR CAUSING SAID TOOL MEANS TO ENGAGE A SECTION OF HEATED MATERIAL CLOSE TO SAID OUTLET, MEANS FOR ADVANCING SAID ENGAGED TOOL
References Cited (Backward Citations)
US2051011A
Cited
US2058663A
Cited
US2397608A
Cited
US2487233A
Cited
US2525744A
Cited
US2545921A
Cited
US2641041A
Cited
US2641042A
Cited
US3000050A
Cited
US2998621A
Cited
US3116787A
Cited
US3159698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |