Patent US3303560A successfully refreshed from Google Patents.
US3303560A
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Method of making containers for fluids under pressure
Assignee: Parker Hannifin Corp
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Filing: 1965-10-23
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Granted: 1967-02-14
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Zdenek J Lansky
- 👤 Kurt W H Leibfritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:39
CPC Classifications
F; F16; F16N; F16N19/00; F16N7/00; F16N7/30; F16N7/32; F16N7/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49803; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF MAKING A RECEPTACLE COMPRISING FORMING A HOLLOW CYLINDRICAL CONTAINER FROM A MATERIAL CAPABLE OF APPRECIABLE PLASTIC DEFORMATION WITHOUT FRACTURING, FORMING A PERFORATED CYLINDRICAL SHIELD WITH AN INSIDE DIAMETER SUBSTANTIALLY THE SAME AS THE OUTSIDE DIAMETER OF THE CYLINDRICAL CONTAINER, ASSEMBLING THE SHIELD OVER THE CYLINDRICAL CONTAINER AND CONTRACTING THE SHIELD TO A LESSER INSIDE DIAMETER THAN THE INITIAL OUTSIDE DIAMETER OF THE CONTAINER WHILE THE INSIDE DIAMETER OF THE CONTAINER IS UNSUPPORTED WHEREBY THE CONTAINER IS CONTRACTED IN INSIDE AND OUTSIDE DIAMETER BETWEEN SAID PERFORATIONS SO AS TO PLACE THE CONTAINER MATERIAL BETWEEN THE PERFORATIONS IN COMPRESSIVE STRESS AND THE CONTAINER MATERIAL OPPOSITE THE PERFORATIONS REMAINS SUBSTANTIALLY NON-CONTRACTED SO AS TO EXTEND INTO THE PERFORATIONS FOR LOCKING THE SHIELD UPON SAID CONTAINER.
Claim 2
Independent Claim
125 words
THE METHOD OF MAKING A RECEPTACLE COMPRISING FORMING A HOLLOW CYLINDRICAL CONTAINER FROM A MATERIAL CAPABLE OF APPRECIABLE PLASTIC DEFORMATION WITHOUT FRACTURING, FORMING A PERFORATED CYLINDRICAL SHIELD WITH AN INSIDE DIAMETER SUBSTANTIALLY THE SAME AS THE OUTSIDE DIAMETER OF THE CYLINDRICAL CONTAINER, ASSEMBLING THE SHIELD OVER THE CYLINDRICAL CONTAINER AND CONTRACTING THE SHIELD TO A LESSER INSIDE DIAMETER THAN THE INITIAL OUTSIDE DIAMETER OF THE CONTAINER WHILE THE INSIDE DIAMETER OF THE CONTAINER IS UNSUPPORTED WHEREBY THE CONTAINER IS CONTRACTED IN INSIDE AND OUTSIDE DIAMETER BETWEEN SAID PERFORATIONS SO AS TO PLACE THE CONTAINER MATERIAL BETWEEN THE PERFORATIONS IN COMPRESSIVE STRESS AND THE CONTAINER MATERIAL OPPOSITE THE PERFORATIONS REMAINS SUBSTANTIALLY NON-CONTRACTED SO AS TO EXTEND INTO THE PERFORATIONS FOR LOCKING THE SHIELD UPON SAID CONTAINER.
References Cited (Backward Citations)
US1067991A
Cited
US2978263A
Cited
US2828537A
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US3239930A
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US2976907A
Cited
US3160428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |