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US3229488A
Expired / Lapsed
US
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Apparatus for shaping hollow objects
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1962-10-18
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Granted: 1966-01-18
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joe A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:08
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/12; B21D9/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
MECHANISM FOR HYDRAULICALLY FORMING A METAL TUBE TO A PREDETERMINED SHAPE AS DEFINED BY A MOLD CAVITY WITHIN WHICH A TUBULAR BLANK IS ADAPTED TO BE SEATED AND SUPPORTED AND CONFORMING TO THE SHAPE TO WHICH SAID BLANK IS TO BE FORMED, AT LEAST ONE HYDRAULIC FEEDING AND SEALING MOTOR, SAID MOTOR INCLUDING A PISTON MOVABLY MOUNTED WITHIN A CYLINDER, SAID PISTON HAVING A SEALING MANDREL MOUNTED THEREON AND ADAPTED TO BE MOVED INTO ENDWISE SEALED ENGAGEMENT WITH A PORTION OF SAID BLANK SEATED IN SAID MOLD, MEANS FOR FEEDING HYDRAULIC FLUID THROUGH SAID MANDREL INTO SAID BLANK, AND
Claim 2
Dependent Claim
99 words
MECHANISM FOR HYDRAULICALLY FORMING A METAL TUBE TO A PREDETERMINED SHAPE AS DEFINED BY A MOLD CAVITY WITHIN WHICH A TUBULAR BLANK IS ADAPTED TO BE SEATED AND SUPPORTED AND CONFORMING TO THE SHAPE TO WHICH SAID BLANK IS TO BE FORMED, AT LEAST ONE HYDRAULIC FEEDING AND SEALING MOTOR, SAID MOTOR INCLUDING A PISTON MOVABLY MOUNTED WITHIN A CYLINDER, SAID PISTON HAVING A SEALING MANDREL MOUNTED THEREON AND ADAPTED TO BE MOVED INTO ENDWISE SEALED ENGAGEMENT WITH A PORTION OF SAID BLANK SEATED IN SAID MOLD, MEANS FOR FEEDING HYDRAULIC FLUID THROUGH SAID MANDREL INTO SAID BLANK, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |