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US3249666A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making flexible drive tubular casings

Assignee: Merit Molded Plastics Inc
•
Filing: 1964-09-04
•
Granted: 1966-05-03
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Expires: 1984-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 John H French

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:40
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/26; B; B29; B29C; B29C63/00; B29C63/26; F16C1/02; F16C1/06; F16C2370/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 214 words
THE METHOD OF MAKING INTEGRATED, FLEXIBLE KINKRESISTANT, TUBULAR CASINGS FOR FLEXIBLE DRIVE CABLES INCLUDINT THE STEPS OF CONTINUOUSLY FORMING A TUBULAR INNER LINER MEMBER OF THERMOPLASTIC, PLASTIC MATERIAL COMPOSITION; CONTINUOUSLY BRAIDING A TUBULAR, BRAIDED-STRAND, REINFORCING SHEATH EXTERIORLY AROUND THE TUBULAR INNER LINER MEMBER; TENSIONING THE BRAIDED STRANDS WHILE BRAIDING TO AT LEAST PARTIALLY EMBED PORTIONS OF SUCH STRANDS IN THE EXTERIOR SURFACE OF THE LINNER MEMBER; CONTINUOUSLY EXTRUDING FIRST LAYER THERMOPLASTIC, PLASTIC MATERIAL COMPOSITION TO FORM A FIRST LAYER TUBULAR COVER MEMBER AROUND THE BRAIDED STRAND REINFORCED INNER LINER MEMBER UNDER PRESSURE SUFFICIENT TO EMBED FPORTIONS OF THE BRAIDED STRANDS AT LEAST PARTIALLY IN THE INNER SUFACE OF THE FIRST LAYER COVER MEMBER; REGULATING THE WALL THICKNESS OF THE FIRST LAYER COVER MEMBER DURING SAID EXTRUSION TO FORM IMPRESSIONS OF THE BRAIDED STRANDS ON THE OUTER SURFACE OF THE FIRST LAYER COVER MEMBER; CONTINUOUSLY EXTRUDING OUTER LAYER THERMOPLASTIC, PLACTIC MATERIAL COMPOSITION TO FORM AN OUTER LAYER TUBULAR COVE MEMBER AROUND THE FIRST LAYER COVER MEMBER UNDER SUFFICIENT TO FILL IN THE FIRST LAYER COVER MEMBER BRAIDED STRAND IMPRESSIONS; AND REGULATING THE WALL THICKNESS OF THE SECOND LAYER COVER MEMBER DURING SAID EXTRUSTION TO COMPLETELY FILL IN SAID BRAIDED STRAND IMPRESSSIONS AND TO FORM THE SECOND LAYER COVER MEMBER WITH A RELATIVELY SMOOTH OUTER SURFACE.
Claim 2
Independent Claim 214 words
THE METHOD OF MAKING INTEGRATED, FLEXIBLE KINKRESISTANT, TUBULAR CASINGS FOR FLEXIBLE DRIVE CABLES INCLUDINT THE STEPS OF CONTINUOUSLY FORMING A TUBULAR INNER LINER MEMBER OF THERMOPLASTIC, PLASTIC MATERIAL COMPOSITION; CONTINUOUSLY BRAIDING A TUBULAR, BRAIDED-STRAND, REINFORCING SHEATH EXTERIORLY AROUND THE TUBULAR INNER LINER MEMBER; TENSIONING THE BRAIDED STRANDS WHILE BRAIDING TO AT LEAST PARTIALLY EMBED PORTIONS OF SUCH STRANDS IN THE EXTERIOR SURFACE OF THE LINNER MEMBER; CONTINUOUSLY EXTRUDING FIRST LAYER THERMOPLASTIC, PLASTIC MATERIAL COMPOSITION TO FORM A FIRST LAYER TUBULAR COVER MEMBER AROUND THE BRAIDED STRAND REINFORCED INNER LINER MEMBER UNDER PRESSURE SUFFICIENT TO EMBED FPORTIONS OF THE BRAIDED STRANDS AT LEAST PARTIALLY IN THE INNER SUFACE OF THE FIRST LAYER COVER MEMBER; REGULATING THE WALL THICKNESS OF THE FIRST LAYER COVER MEMBER DURING SAID EXTRUSION TO FORM IMPRESSIONS OF THE BRAIDED STRANDS ON THE OUTER SURFACE OF THE FIRST LAYER COVER MEMBER; CONTINUOUSLY EXTRUDING OUTER LAYER THERMOPLASTIC, PLACTIC MATERIAL COMPOSITION TO FORM AN OUTER LAYER TUBULAR COVE MEMBER AROUND THE FIRST LAYER COVER MEMBER UNDER SUFFICIENT TO FILL IN THE FIRST LAYER COVER MEMBER BRAIDED STRAND IMPRESSIONS; AND REGULATING THE WALL THICKNESS OF THE SECOND LAYER COVER MEMBER DURING SAID EXTRUSTION TO COMPLETELY FILL IN SAID BRAIDED STRAND IMPRESSSIONS AND TO FORM THE SECOND LAYER COVER MEMBER WITH A RELATIVELY SMOOTH OUTER SURFACE.

References Cited (Backward Citations)

US2189395A Cited
GB565833A Cited
US2600567A Cited
US2810424A Cited
US2974713A Cited
US2963749A Cited
US3062241A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-02 1969-11-01 1970-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-02 1973-11-01 1974-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-02 1977-11-01 1978-05-03 $7700.00 Window Closed / Lapsed

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