US3342916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for blow molding hollow articles
Assignee: Phillips Petroleum Co
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Filing: 1965-05-04
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Granted: 1967-09-19
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Donald L Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:05
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/20; B21; B21D; B21D37/00; B21D37/20; B21D37/205; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B29C49/42; B29C49/48; B29C49/4802; B29C2049/4805; B29C2049/4807; B29C49/4812; B29L; B29L2031/00; B29L2031/46; B29L2031/463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A BLOW MOLDING OPERATION WHEREIN A CLOSED HOLLOW PARISON IS POSITIONED IN A HOLLOW MOLD AND A PORTION OF THE PARISON IS PINCHED OUT TO FORM A SATELLITE CHAMBER WITHIN A MAIN CHAMBER OF SAID PARISON, SAID SATELLITE CHAMBER BEING SURROUNDED BY THE REMAINDER OF SAID PARISON IN AT LEAST ONE PLANE CONTAINING SAID PARISON AND SAID SATELLITE CHAMBER, THE IMPROVEMENT WHICH COMPRISES PUNCTURING SAID SATELLITE CHAMBER WITH A BLOWING NEEDLE, THEN FORCING AIR THROUGH SAID BLOWING NEEDLE INTO SAID SATELLITE CHAMBER AND THROUGH SAID SATELLITE CHAMBER INTO THE MAIN PORTION OF SAID PARISON TO BLOW SAID PARISON TO CONFORM TO SAID MOLD.
Claim 2
Dependent Claim
104 words
IN A BLOW MOLDING OPERATION WHEREIN A CLOSED HOLLOW PARISON IS POSITIONED IN A HOLLOW MOLD AND A PORTION OF THE PARISON IS PINCHED OUT TO FORM A SATELLITE CHAMBER WITHIN A MAIN CHAMBER OF SAID PARISON, SAID SATELLITE CHAMBER BEING SURROUNDED BY THE REMAINDER OF SAID PARISON IN AT LEAST ONE PLANE CONTAINING SAID PARISON AND SAID SATELLITE CHAMBER, THE IMPROVEMENT WHICH COMPRISES PUNCTURING SAID SATELLITE CHAMBER WITH A BLOWING NEEDLE, THEN FORCING AIR THROUGH SAID BLOWING NEEDLE INTO SAID SATELLITE CHAMBER AND THROUGH SAID SATELLITE CHAMBER INTO THE MAIN PORTION OF SAID PARISON TO BLOW SAID PARISON TO CONFORM TO SAID MOLD.
References Cited (Backward Citations)
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Cited
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |