Patent US3115673A successfully refreshed from Google Patents.
US3115673A
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US
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Method and apparatus for blow molding plastic objects
Assignee: Purex Corp Ltd
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Filing: 1961-05-02
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Granted: 1963-12-31
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Rudolph Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:46
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/70; B29C49/02; B29C49/04; B29C49/04102; B29C49/4242; B29C49/42421; B29C49/42424; B29C49/58; B29C2049/5886; B29C49/78; B29C2049/7873; B29C2793/00; B29C2793/0081; B29C49/28; B29C49/30; B29C49/32; B29C49/48; B29C49/48185; B29C49/56; B29C49/561; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR BLOW MOLDING PLASTIC HOLLOW ARTICLES, COMPRISING A MOLD HAVING SECTIONS HORIZONTALLY SHIFTABLE BETWEEN OPEN AND CLOSED POSITIONS, MEANS FOR SUPPLYING HEATED AND EXPANSIBLE PLASTIC MATERIAL BETWEEN THE OPEN MOLD SECTIONS, A NOZZLE POSITIONED TO BLOW GAS THROUGH ONE END OF THE MOLD INTO SAID MATERIAL TO EXPAND IT TO THE INTERNAL CONFIGURATION OF THE MOLD TO FORM THE HOLLOW OBJECT, AND MEANS FOR SHIFTING SAID NOZZLE HORIZONTALLY AWAY FROM ITS BLOWING POSITION AND FROM THE BLOWN OBJECT ITSELF FOLLOWING COMPLETION OF THE BLOWING OPERATION, THERE BEING FREE FALL SPACE BELOW THE MOLD WHEN THE NOZZLE IS SO SHIFTED TO ALLOW THE BLOWN OBJECT TO FALL FROM THE BLOW LOCATION TO A RECEIVING STATION FREE AND CLEAR OF THE MOLD.
Claim 2
Dependent Claim
121 words
APPARATUS FOR BLOW MOLDING PLASTIC HOLLOW ARTICLES, COMPRISING A MOLD HAVING SECTIONS HORIZONTALLY SHIFTABLE BETWEEN OPEN AND CLOSED POSITIONS, MEANS FOR SUPPLYING HEATED AND EXPANSIBLE PLASTIC MATERIAL BETWEEN THE OPEN MOLD SECTIONS, A NOZZLE POSITIONED TO BLOW GAS THROUGH ONE END OF THE MOLD INTO SAID MATERIAL TO EXPAND IT TO THE INTERNAL CONFIGURATION OF THE MOLD TO FORM THE HOLLOW OBJECT, AND MEANS FOR SHIFTING SAID NOZZLE HORIZONTALLY AWAY FROM ITS BLOWING POSITION AND FROM THE BLOWN OBJECT ITSELF FOLLOWING COMPLETION OF THE BLOWING OPERATION, THERE BEING FREE FALL SPACE BELOW THE MOLD WHEN THE NOZZLE IS SO SHIFTED TO ALLOW THE BLOWN OBJECT TO FALL FROM THE BLOW LOCATION TO A RECEIVING STATION FREE AND CLEAR OF THE MOLD.
References Cited (Backward Citations)
GB697326A
Cited
US2975473A
Cited
US3000051A
Cited
US2943349A
Cited
US2994103A
Cited
US3040380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |