US4460820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heating heat-shrinkable tubes
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1982-07-21
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Granted: 1984-07-17
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Expires: 2002-07-21
Abstract
Abstract An apparatus for heating a heat-shrinkable tube has a base for supporting the heat-shrinkable tube and a plurality of heating units provided on the base. The heating units are independently operable and are disposed in the longitudinal direction of the heat-shrinkable tube.
Inventors
- 👤 Michito Matsumoto
- 👤 Toshiaki Kakii
- 👤 Yuichi Toda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/255; G02B6/2558; B; B29; B29C; B29C61/00; G02B6/2553; Y; Y10; Y10S; Y10S174/00; Y10S174/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
49 words
An apparatus for heating a heat-shrinkable tube, comprising: a heat shrinkable tube; a base; a plurality of independently operable heating units disposed along a longitudinal direction of said base, and means for supporting said heat-shrinkable tube stationary and adjacent to said heating units when said units are selectively actuated.
Claim 2
Independent Claim
49 words
An apparatus for heating a heat-shrinkable tube, comprising: a heat shrinkable tube; a base; a plurality of independently operable heating units disposed along a longitudinal direction of said base, and means for supporting said heat-shrinkable tube stationary and adjacent to said heating units when said units are selectively actuated.
Claim 3
Dependent Claim
27 words
The apparatus as claimed in claim 1 wherein said means for supporting comprises supporting units disposed at opposite ends of said base for supporting said heat-shrinkable tube.
Claim 4
Dependent Claim
14 words
The apparatus as claimed in claim 1 wherein said heating unit comprise electric heaters.
Claim 5
Dependent Claim
29 words
The apparatus as claimed in claim 1 further comprising shielding plates disposed along said longitudinal direction of said base and being disposed on opposite sides of said heat-shrinkable tube.
Claim 6
Dependent Claim
15 words
The apparatus as claimed in claim 1 wherein three of said heating units are provided.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |