Patent US3712770A successfully refreshed from Google Patents.
US3712770A
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Apparatus for extruding cable jackets with embedded drain wires
Assignee: ANACONDA ACQUISITION Co
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Filing: 1971-06-18
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Granted: 1973-01-23
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Expires: 1991-06-18
Abstract
Abstract Apparatus for extruding a cable jacket with embedded drain wires comprises a die with radial recesses into which are fitted hardened guide blocks with passages for the wires.
Inventors
- 👤 E Arnaudin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:55
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/06; B29C48/15; B29C48/156; B29C48/05
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
Apparatus for extruding a cable jacket with embedded drain wires comprising a die comprising: A. a tapered, interior surface, B. a cylindrical land communicating with said surface, C. a plurality of radial recesses opening on said surface, and D. a like plurality of removable guide blocks fitting into said recesses, said blocks comprising walls defining passages for said wires, said walls projecting radially inwardly of said land, and said blocks being comprised of a material more wear resistant than the material of other portions of said die.
Claim 2
Dependent Claim
87 words
Apparatus for extruding a cable jacket with embedded drain wires comprising a die comprising: A. a tapered, interior surface, B. a cylindrical land communicating with said surface, C. a plurality of radial recesses opening on said surface, and D. a like plurality of removable guide blocks fitting into said recesses, said blocks comprising walls defining passages for said wires, said walls projecting radially inwardly of said land, and said blocks being comprised of a material more wear resistant than the material of other portions of said die.
Claim 3
Dependent Claim
26 words
The apparatus of claim 1 comprising tapered grooves in said surface immediately adjacent said blocks thereby increasing the flow of jacket material over said drain wires.
Claim 4
Dependent Claim
55 words
The apparatus of claim 1 wherein said die comprises three separable annular members said land being comprised in the first of said members, said recesses being comprised in the second of said members and said third members comprising a plurality of slots communicating with said passages for the admission of said wires into said jacket.
Claim 5
Dependent Claim
29 words
The apparatus of claim 3 comprising a tubular housing mounting said die, said housing comprising walls defining a plurality of slots communicating with said slots in said third member.
Claim 6
Dependent Claim
44 words
The apparatus of claim 1 wherein said recesses comprise walls comprising first lengthwise grooves, said blocks comprise second lengthwise grooves cooperating with said first grooves to define bores, and said apparatus comprises locking pins fitting said bores, thereby fixing the positions of said blocks.
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |