Patent US5591522A successfully refreshed from Google Patents.
US5591522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating tape or sheet
Assignee: Sumitomo Riko Co Ltd
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Filing: 1994-03-22
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Granted: 1997-01-07
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Expires: 2014-03-22
Abstract
Abstract PCT No. PCT/JP94/00458 Sec. 371 Date Nov. 23, 1994 Sec. 102(e) Date Nov. 23, 1994 PCT Filed Mar. 22, 1994 PCT Pub. No. WO94/22149 PCT Pub. Date Sep. 29, 1994An insulating tape or sheet comprising a polyester film layer and a polyolefin adhesive layer having a flexural modulus of 500-20000 kgf/cm2. The insulating tape or sheet of the present invention can provide an insulated wire having superior buckling resistance and is very low in cost.
Inventors
- 👤 Hirokazu Sakai
- 👤 Takayuki Shimizu
- 👤 Ryuzo Asano
- 👤 Naotoshi Miyahara
- 👤 Kiyoshi Furukawa
- 👤 Masaaki Nagai
- 👤 Hiromasa Honjo
- 👤 Hiroyuki Kamibayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/25; C09J7/255; C09J7/30; C09J7/38; C09J7/381; C09J7/50; H01B7/00; H01B7/08; H01B7/0838; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843; Y10T428/2848; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
59 words
An insulating tape or sheet comprising (1) a polyester film layer, (2) a polyolefin adhesive layer having a flexural modulus of 500-20000 kgf/cm 2 , and (3) an anchor coat layer between the polyester film layer and the polyolefin adhesive layer, wherein the anchor coat layer comprises a silane-modified polyolefin or an organic titanium compound as a main component.
Claim 2
Dependent Claim
59 words
An insulating tape or sheet comprising (1) a polyester film layer, (2) a polyolefin adhesive layer having a flexural modulus of 500-20000 kgf/cm 2 , and (3) an anchor coat layer between the polyester film layer and the polyolefin adhesive layer, wherein the anchor coat layer comprises a silane-modified polyolefin or an organic titanium compound as a main component.
Claim 3
Dependent Claim
21 words
The insulating tape or sheet of claim 1, wherein the anchor coat layer comprises the silane-modified polyolefin as a main component.
Claim 4
Dependent Claim
22 words
The insulating tape or sheet of claim 2, wherein the silane-modified polyolefin is a grafted polymer of ethylene-ethyl acrylate copolymer with alkoxysilane.
Claim 5
Dependent Claim
22 words
The insulating tape or sheet of claim 1, wherein the anchor coat layer comprises the organic titanium compound as a main component.
Claim 6
Dependent Claim
29 words
The insulating tape or sheet of claim 4, wherein the organic titanium compound is an alkyl titanate of the formula Ti(OR).sub.4 wherein R is an alkyl or allyl group.
Claim 7
Dependent Claim
22 words
The insulating tape or sheet of claim 1, wherein the flexural modulus of the polyolefin adhesive layer is 1500-15000 kgf/cm 2 .
Claim 8
Dependent Claim
22 words
The insulating tape or sheet of claim 1, wherein the flexural modulus of the polyolefin adhesive layer is 2500-10000 kgf/cm 2 .
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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) | 2000-01-07 | 2000-07-08 | 2001-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-01-07 | 2004-07-08 | 2005-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-01-07 | 2008-07-08 | 2009-01-07 | $7700.00 | Window Closed / Lapsed |