Patent US3207833A successfully refreshed from Google Patents.
US3207833A
Expired / Lapsed
US
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Method and apparatus for molding a headpiece to a preformed tubular body
Assignee: Primerica Inc
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Filing: 1962-11-23
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Granted: 1965-09-21
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 D Errico Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:18
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/14; B29C45/14598; B29C45/43; B29L; B29L2023/00; B29L2023/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
A METHOD OF MOLDING AND FUSING A HEADPIECE TO A PREFORMED TUBULAR BODY COMPRISING THE STEPS OF: POSITIONING A PREFORMED TUBE BODY ON A MALE FORMING MEMBER; PLACING SAID BODY AND SAID MALE FORMING MEMBER WITHIN AN EXTERNAL FORMING MEMBER COMPRISING ENGAGED SEPARABLE FEMALE MOLD PARTS, SAID MALE AND EXTERNAL FORMING MEMBERS DEFINING A MOLD CAVITY; INTRODUCING A QUANTITY OF MOLTEN THERMOPLASTIC MATERIAL INTO SAID MOLD CAVITY THEREBY FORMING A HEADPIECE FUSED TO SAID TUBE BODY; COOLING SAID THERMOPLASTIC HEADPIECE FUSED TO SAID BODY; PARTIALLY WITHDRAWING SAID MALE MEMBER FROM SAID HEADPIECE WHILE MAINTAINING SAID SEPARABLE FEMALE MOLD PARTS ABOUT SAID HEADPIECE; THEREAFTER SEPARATING SAID ENGAGED FEMALE MOLD PARTS FROM ABOUT SAID HEADPIECE; AND THEN COMPLETELY REMOVING THE HEADED TUBE FROM SAID MALE MEMBER.
Claim 2
Independent Claim
124 words
A METHOD OF MOLDING AND FUSING A HEADPIECE TO A PREFORMED TUBULAR BODY COMPRISING THE STEPS OF: POSITIONING A PREFORMED TUBE BODY ON A MALE FORMING MEMBER; PLACING SAID BODY AND SAID MALE FORMING MEMBER WITHIN AN EXTERNAL FORMING MEMBER COMPRISING ENGAGED SEPARABLE FEMALE MOLD PARTS, SAID MALE AND EXTERNAL FORMING MEMBERS DEFINING A MOLD CAVITY; INTRODUCING A QUANTITY OF MOLTEN THERMOPLASTIC MATERIAL INTO SAID MOLD CAVITY THEREBY FORMING A HEADPIECE FUSED TO SAID TUBE BODY; COOLING SAID THERMOPLASTIC HEADPIECE FUSED TO SAID BODY; PARTIALLY WITHDRAWING SAID MALE MEMBER FROM SAID HEADPIECE WHILE MAINTAINING SAID SEPARABLE FEMALE MOLD PARTS ABOUT SAID HEADPIECE; THEREAFTER SEPARATING SAID ENGAGED FEMALE MOLD PARTS FROM ABOUT SAID HEADPIECE; AND THEN COMPLETELY REMOVING THE HEADED TUBE FROM SAID MALE MEMBER.
Claim 3
Dependent Claim
158 words
APPARATUS FOR FORMING A THERMOPLASTIC HEADPIECE ON A PREFORMED TUBE, COMPRISING AN INTERNAL FORMING MEMBER, AN EXTERNAL FORMING MEMBER INCLUDING SEPARABLE MOLD PARTS FOR RECEIVING SAID INTERNAL FORMING MEMBER TO DEFINE THEREWITH A CAVITY FOR THE RECEPTION OF THERMOPLASTIC MATERIAL, AN INNER PUSHER MEMBER FOR LOCATING SAID INTERNAL FORMING MEMBER RELATIVE TO SAID MOLD PARTS, AN OUTER PUSHER MEMBER FOR SUPPORTING SAID MOLD PARTS IN CLOSED POSITION DURING THE MOLDING OF SAID MATERIAL AND THE FORMING OF SAID HEADPIECE THEREFROM, MEANS MAINTAINING SAID OUTER PUSHER MEMBER IN SUPPORTING RELATION TO SAID MOLD PARTS, AND MEANS FOR FIRST MOVING SAID INNER PUSHER MEMBER SLIGHTLY AWAY FROM AND FREE FROM SAID HEADPIECE WHILE SAID MOLD PARTS ARE MAINTAINED IN CLOSED POSITION BY SAID OUTER PUSHER TO PARTIALLY WITHDRAW SAID INTERNAL FORMING MEMBER FROM SAID PREFORMED TUBE AND FOR THEN MOVING SAID OUTER PUSHER MEMBER IN OPPOSITION TO SAID MAINTAINING MEANS TO OPEN SAID MOLD PARTS TO RELEASE SAID ARTICLE THEREFROM.
Claim 4
Dependent Claim
158 words
APPARATUS FOR FORMING A THERMOPLASTIC HEADPIECE ON A PREFORMED TUBE, COMPRISING AN INTERNAL FORMING MEMBER, AN EXTERNAL FORMING MEMBER INCLUDING SEPARABLE MOLD PARTS FOR RECEIVING SAID INTERNAL FORMING MEMBER TO DEFINE THEREWITH A CAVITY FOR THE RECEPTION OF THERMOPLASTIC MATERIAL, AN INNER PUSHER MEMBER FOR LOCATING SAID INTERNAL FORMING MEMBER RELATIVE TO SAID MOLD PARTS, AN OUTER PUSHER MEMBER FOR SUPPORTING SAID MOLD PARTS IN CLOSED POSITION DURING THE MOLDING OF SAID MATERIAL AND THE FORMING OF SAID HEADPIECE THEREFROM, MEANS MAINTAINING SAID OUTER PUSHER MEMBER IN SUPPORTING RELATION TO SAID MOLD PARTS, AND MEANS FOR FIRST MOVING SAID INNER PUSHER MEMBER SLIGHTLY AWAY FROM AND FREE FROM SAID HEADPIECE WHILE SAID MOLD PARTS ARE MAINTAINED IN CLOSED POSITION BY SAID OUTER PUSHER TO PARTIALLY WITHDRAW SAID INTERNAL FORMING MEMBER FROM SAID PREFORMED TUBE AND FOR THEN MOVING SAID OUTER PUSHER MEMBER IN OPPOSITION TO SAID MAINTAINING MEANS TO OPEN SAID MOLD PARTS TO RELEASE SAID ARTICLE THEREFROM.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |