US3259680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding sleeves
Assignee: Cooper Industries LLC
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Filing: 1963-09-16
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Granted: 1966-07-05
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Robert K Schelke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14639; B29C45/14065; B29C2045/14122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
237 words
THE METHOD OF INJECTION MOLDING AN INTEGRAL FLEXIBLE SLEEVE DIRECTLY AROUND A PORTION OF A FLEXIBLE INSULATED ELECTRICAL CONDUCTOR CORD, WHICH METHOD COMPRISES THE STEPS OF DISPOSING A PORTION OF SAID CORD WITHIN A SUITABLY SHAPED MOLD, MAINTAINING SAID FLEXIBLE CORD IN A CENTRALLY LOCATED POSITION WITHIN THE MOLD THROUGH THE UTILIZATION OF A PLURALITY OF AXIALLY SPACED RIGID PINS WHICH ARE DISPOSED WITHIN THE MOLD CAVITY IN A PLANE EXTENDING TRANSVERSE TO THE AXIS OF SAID CORD AND WHICH EXTEND INTO THE MOLD CAVITY A DISTANCE SO AS TO ENGAGE THE INSULATED COVERING OF SAID CORD TO MINTAIN SAID CORD IN SAID CENTRAL POSITION WITHOUT PIERCING SAID COVERING, SAID PINS BEING AXIALLY SPACED THROUGHOUT SUBSTANTIALLY THE ENTIRE LENGTH OF THE MOLD TO SUPPORT SAID CORD IN SAID CENTRAL POSIRION, INJECTING A MOLDING COMPOUND INTO THE MOLD CAVITY SURROUNDING SAID CONDUCTOR CORD WHILE SAID PINS ARE IN ENGAGEMENT WITH SAID COVERING OF SAID CORD SO AS TO PREVENT AXIAL AND TRANSVERSE MOVEMENT OF SAID CORD WITHIN THE MOLD CAVITY, ALLOWING SAID MOLDING COMPOUND TO SET IN SAID MOLD TO FORM AN INTEGRAL SLEEVE ABOUT SAID CORD WHILE MAINTAINING SAID PINS IN ENGAGEMENT WITH THE INSULATING COVERING OF SAID CORD, AND THEREAFTER REMOVING SAID PINS THEREBY FORMING APERTURES IN SAID SLEEVE, WHEREBY A CONDUCTOR CORD IS PROVIDED HAVING AN INTEGRAL SLEEVE DISPOSED THEREABOUT WHICH INCLUDES A PLURALITY OF APERTURES EXTENDING THERETHROUGH WHICH IMPART DESIRED FLEXIBILITY TO THE SLEEVE.
Claim 2
Independent Claim
237 words
THE METHOD OF INJECTION MOLDING AN INTEGRAL FLEXIBLE SLEEVE DIRECTLY AROUND A PORTION OF A FLEXIBLE INSULATED ELECTRICAL CONDUCTOR CORD, WHICH METHOD COMPRISES THE STEPS OF DISPOSING A PORTION OF SAID CORD WITHIN A SUITABLY SHAPED MOLD, MAINTAINING SAID FLEXIBLE CORD IN A CENTRALLY LOCATED POSITION WITHIN THE MOLD THROUGH THE UTILIZATION OF A PLURALITY OF AXIALLY SPACED RIGID PINS WHICH ARE DISPOSED WITHIN THE MOLD CAVITY IN A PLANE EXTENDING TRANSVERSE TO THE AXIS OF SAID CORD AND WHICH EXTEND INTO THE MOLD CAVITY A DISTANCE SO AS TO ENGAGE THE INSULATED COVERING OF SAID CORD TO MINTAIN SAID CORD IN SAID CENTRAL POSITION WITHOUT PIERCING SAID COVERING, SAID PINS BEING AXIALLY SPACED THROUGHOUT SUBSTANTIALLY THE ENTIRE LENGTH OF THE MOLD TO SUPPORT SAID CORD IN SAID CENTRAL POSIRION, INJECTING A MOLDING COMPOUND INTO THE MOLD CAVITY SURROUNDING SAID CONDUCTOR CORD WHILE SAID PINS ARE IN ENGAGEMENT WITH SAID COVERING OF SAID CORD SO AS TO PREVENT AXIAL AND TRANSVERSE MOVEMENT OF SAID CORD WITHIN THE MOLD CAVITY, ALLOWING SAID MOLDING COMPOUND TO SET IN SAID MOLD TO FORM AN INTEGRAL SLEEVE ABOUT SAID CORD WHILE MAINTAINING SAID PINS IN ENGAGEMENT WITH THE INSULATING COVERING OF SAID CORD, AND THEREAFTER REMOVING SAID PINS THEREBY FORMING APERTURES IN SAID SLEEVE, WHEREBY A CONDUCTOR CORD IS PROVIDED HAVING AN INTEGRAL SLEEVE DISPOSED THEREABOUT WHICH INCLUDES A PLURALITY OF APERTURES EXTENDING THERETHROUGH WHICH IMPART DESIRED FLEXIBILITY TO THE SLEEVE.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |