Patent US3628982A successfully refreshed from Google Patents.
US3628982A
Expired / Lapsed
US
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Method of applying hot-melt glue
Assignee: Individual
•
Filing: 1968-12-05
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Granted: 1971-12-21
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Expires: 1988-12-05
Abstract
Abstract A method of applying hot-melt glue to an object consisting of the steps of heating a transfer bar to a temperature high enough to melt the glue, pressing said bar against solid hot-melt glue to coat said bar with a film of liquid glue, and pressing said bar against said object to transfer said glue thereto.
Inventors
- 👤 Charles C Krug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:43
CPC Classifications
B; B27; B27G; B27G11/00; B05; B05C; B05C9/00; B05C9/08; B05C9/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
41 words
A process as recited in claim 1 for applying said glue to said object in a predetermined area pattern, and including the additional initial step of forming the applicator face of said transfer bar to correspond to the desired area pattern.
Claim 2
Dependent Claim
61 words
A process as recited in claim 1 with the additional initial step of regulating the temperature of said transfer bar wherEby to vary the thickness of the liquid glue film acquired by said applicator face form said surface of solid, hot-melt glue, higher bar temperatures reducing the surface tension of said liquid glue and hence reducing the thickness of said film.
Claim 3
Dependent Claim
39 words
A process as recited in claim 1 with the additional initial step of dividing the applicator face of said transfer bar into smaller component areas by forming grooves in said bar, said grooves opening through the applicator face thereof.
Claim 4
Dependent Claim
30 words
A process as recited in claim 4 with the additional step of venting said grooves to the atmosphere through surfaces of said applicator bar other than the applicator face thereof.
Claim 5
Dependent Claim
72 words
A process as recited in claim 1 wherein the movements of said transfer bar relative to said glue surface and said object are performed in a fixed cyclic sequence, and wherein said transfer bar is provided with a neutral position not in engagement either with said solid hot-melt glue or with said object, the sequential cycle of movement of said transfer bar beginning and ending with said bar in said neutral position.
Claim 6
Dependent Claim
47 words
A process as recited in claim 1 wherein the movements of said transfer bar relative to said glue surface and said object are performed in a fixed cyclical sequence, said cyclical sequence beginning and ending with the applicator face of said transfer bar pressed against said object.
References Cited (Backward Citations)
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Cited
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US2113690A
Cited
US2199265A
Cited
US2406287A
Cited
US2911942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |