US4929169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Working equipment for roughening the side of optical fiber
Assignee: Mitsubishi Chemical Corp
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Filing: 1988-06-13
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Granted: 1990-05-29
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Expires: 2008-06-13
Abstract
Abstract The invention provides a working equipment for roughening the side of optical fiber having a hot stamper, a sheet having rough surface to be transferred, a cushion, and a cushion-mounted plate having a portion formed in stepwise or continuously curved or sloped form.
Inventors
- 👤 Takashi Fujigaki
- 👤 Yoshikazu Fujinaga
- 👤 Shuichiro Tokuda
- 👤 Noriyuki Furukawa
- 👤 Kiyoshi Ichimura
- 👤 Yukio Shibuya
- 👤 Shigeru Iuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:26
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4298; B; B29; B29C; B29C59/00; B29C59/02; B29D; B29D11/00; B29D11/00663; G02B6/0001; G02B6/0005; G02B6/001
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
97 words
A working equipment for roughening a side of optical fiber ribbon, comprising: a hot stamper, a sheet having a rough surface to be transferred disposed below said stamper, a cushion disposed below said sheet and a cushion-mounting plate disposed said cushion disposed below said sheet, said cushion mounting plate having a mounting surface portion on which said cushion is mounted, said mounting surface portion having a profile selected from the group consisting of a stepped shape, a continuously curved form, and an inclined form, wherein said ribbon is to be disposed between said sheet and said cushion.
Claim 2
Dependent Claim
97 words
A working equipment for roughening a side of optical fiber ribbon, comprising: a hot stamper, a sheet having a rough surface to be transferred disposed below said stamper, a cushion disposed below said sheet and a cushion-mounting plate disposed said cushion disposed below said sheet, said cushion mounting plate having a mounting surface portion on which said cushion is mounted, said mounting surface portion having a profile selected from the group consisting of a stepped shape, a continuously curved form, and an inclined form, wherein said ribbon is to be disposed between said sheet and said cushion.
Claim 3
Dependent Claim
21 words
A working equipment claimed in claim 1 wherein said sheet having a rough surface to be transferred is an emery paper.
Claim 4
Dependent Claim
18 words
A working equipment claimed in claim 1 or 2 wherein a releasing sheet is overlaid on said cushion.
References Cited (Backward Citations)
US2558778A
Cited
US3428727A
Cited
US3715820A
Cited
US3594963A
Cited
US3818085A
Cited
US4176501A
Cited
JPS5567704A
Cited
US4231730A
Cited
JPS55130503A
Cited
US4291502A
Cited
US4393766A
Cited
US4423674A
Cited
US4498260A
Cited
US4630535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |