Patent US4306928A successfully refreshed from Google Patents.
US4306928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making adhesive tape
Assignee: Individual
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Filing: 1980-04-21
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Granted: 1981-12-22
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Expires: 2000-04-21
Abstract
Abstract A rolled strip of adhesive mounted on a reel is unrolled and punched with a cutter pressed against it or by passing between a punching roll and a receiving roll, the punched part being affixed to a band-shaped film of paper or plastic. The film having had a part of the punched adhesive pasted on it is wound up on a winding reel and the punched excess adhesive is wound up on another winding reel.
Inventors
- 👤 Tokujiro Okui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/18; B26D7/1827; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108; Y10T156/1082; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T156/19; Y10T156/195; Y10T156/1956
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
94 words
A process for making a tape for applying adhesive units to a substrate comprising: providing a peeling sheet coated with a release agent and on one surface having a continuous layer of adhesive with two side edges, cutting a series of shaped units in the layer of adhesive without cutting the peeling sheet and without the cut ever reaching both side edges, thereby dividing the adhesive layer into said series of units and a continuous remainder portion, peeling said portion from the peeling sheet leaving the series of units bonded to the peeling sheet.
Claim 2
Dependent Claim
94 words
A process for making a tape for applying adhesive units to a substrate comprising: providing a peeling sheet coated with a release agent and on one surface having a continuous layer of adhesive with two side edges, cutting a series of shaped units in the layer of adhesive without cutting the peeling sheet and without the cut ever reaching both side edges, thereby dividing the adhesive layer into said series of units and a continuous remainder portion, peeling said portion from the peeling sheet leaving the series of units bonded to the peeling sheet.
Claim 3
Dependent Claim
16 words
The process of claim 1 including rolling the peeling sheet and units into a disc shape.
Claim 4
Dependent Claim
38 words
The process of claim 2 including cutting the series of units in patterns such that, when said portion is peeled from the peeling sheet none of the series of units is in contact with any other shaped adhesive.
Claim 5
Dependent Claim
37 words
The process of claims 2 or 3 including applying a separator band against the surface of the adhesive units which is not in contact with the peeling sheet after said portion is removed from the peeling sheet.
Claim 6
Dependent Claim
38 words
The process of claim 1 including cutting the series of units in patterns such that, when said portion is peeled from the peeling sheet, none of the series of units is in contact with any other shaped adhesive.
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) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |