US3283046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming hollow articles
Assignee: Ethyl Corp
•
Filing: 1964-09-28
•
Granted: 1966-11-01
•
Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Witt Earl G De
- 👤 Frederick T Tulley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:22
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/68; Y; Y10; Y10S; Y10S425/00; Y10S425/039; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR FORMING A HOLLOW ARTICLE COMPRISING; (A) SURROUNDING A VERTICALLY DISPOSED, RIGID, THERMOPLASTIC PARISON WITH A CLOSE FITTING, HEAT CONDUCTING CONTAINER; (B) MOVING SAID PARISON WITH SAID SURROUNDING CONTAINER THROUGH AN AREA HAVIING A TEMPERATURE SUFFICIENTLY HIGH TO SOFTEN SAID PARISON; (C) SEPARATING SAID CONTAINER FROM SAID SOFTENED PARISON; (D) ENCLOSING SAID SOFTENED PARISON SUBSTANTIALLY WITHIN A BLOW MOLD CAVITYL (E) INTRODUCING A PRESSURIZED FLUID INTO THE INTERIOR OF SAID SOFTENED PARISON TO EXPAND SAID PARISON TO FORM THE HOLLOW ARTICLE; AND (F) REMOVING THE HOLLOW ARTICLE FROM THE INTERIOR OF SAID MOLD.
Claim 2
Independent Claim
95 words
A METHOD FOR FORMING A HOLLOW ARTICLE COMPRISING; (A) SURROUNDING A VERTICALLY DISPOSED, RIGID, THERMOPLASTIC PARISON WITH A CLOSE FITTING, HEAT CONDUCTING CONTAINER; (B) MOVING SAID PARISON WITH SAID SURROUNDING CONTAINER THROUGH AN AREA HAVIING A TEMPERATURE SUFFICIENTLY HIGH TO SOFTEN SAID PARISON; (C) SEPARATING SAID CONTAINER FROM SAID SOFTENED PARISON; (D) ENCLOSING SAID SOFTENED PARISON SUBSTANTIALLY WITHIN A BLOW MOLD CAVITYL (E) INTRODUCING A PRESSURIZED FLUID INTO THE INTERIOR OF SAID SOFTENED PARISON TO EXPAND SAID PARISON TO FORM THE HOLLOW ARTICLE; AND (F) REMOVING THE HOLLOW ARTICLE FROM THE INTERIOR OF SAID MOLD.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |