US3944459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for applying reinforced insulation to a conductor
Assignee: Dow Silicones Corp
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Filing: 1974-12-04
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Granted: 1976-03-16
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Expires: 1994-12-04
Abstract
Abstract This is an apparatus for continuously applying a reinforced insulated coating to a conductor. The apparatus includes a die which provides means of directing a first coating, a reinforced fabric and a second coating to the conductor continuously in the proper sequence.
Inventors
- 👤 Max Skobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/05; B29C48/15; B29C48/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
An extrusion die comprising an upper die portion, a lower die portion and an outer die portion, the upper die portion in superposed abutting relationship with the lower die portion and the lower die portion having a guider portion transversely located defining a guide tube and spaced from the remaining portion of the lower die portion to provide a part of a fabric receiving channel and the upper die having a portion spaced from the guider to provide the remaining part of the fabric receiving channel, the fabric receiving channel partially circumscribing the guide tube, the lower die having a first feed channel formed through a side edge thereof in right angle relation to the guide tube and opening into a chamber circumscribing a terminal end of the guide tube, the upper die portion and the lower die portion each having a forward edge, the outer die portion abutting the forward edges, having an exit aperture formed therethrough, whose axis is an extension of the axis of the guide tube and having a second feed channel formed through a side edge thereof extending into a chamber into which the exit aperture opens.
Claim 2
Dependent Claim
192 words
An extrusion die comprising an upper die portion, a lower die portion and an outer die portion, the upper die portion in superposed abutting relationship with the lower die portion and the lower die portion having a guider portion transversely located defining a guide tube and spaced from the remaining portion of the lower die portion to provide a part of a fabric receiving channel and the upper die having a portion spaced from the guider to provide the remaining part of the fabric receiving channel, the fabric receiving channel partially circumscribing the guide tube, the lower die having a first feed channel formed through a side edge thereof in right angle relation to the guide tube and opening into a chamber circumscribing a terminal end of the guide tube, the upper die portion and the lower die portion each having a forward edge, the outer die portion abutting the forward edges, having an exit aperture formed therethrough, whose axis is an extension of the axis of the guide tube and having a second feed channel formed through a side edge thereof extending into a chamber into which the exit aperture opens.
References Cited (Backward Citations)
US2200933A
Cited
US3531829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-16 | 1979-09-15 | 1980-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-16 | 1983-09-15 | 1984-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-16 | 1987-09-15 | 1988-03-16 | $7700.00 | Window Closed / Lapsed |