US4201615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying an adhesive to a book
Assignee: Sulby Engineering Development Co Ltd
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Filing: 1978-09-18
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Granted: 1980-05-06
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Expires: 1998-09-18
Abstract
Abstract An apparatus for applying an adhesive to the back of a book has a compressing plate inclined at an angle with respect to horizontal to provide a gap between the plate and book surface which converges in the direction the book travels whereby the adhesive layer is gradually compressed and pressed into the back of the book.
Inventors
- 👤 Lionel J. B. R. French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:58
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/02; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1798
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
Apparatus so constructed and arranged as to be capable of preparing a book for adhesive securement, said apparatus comprising an element providing a flat compressing surface, means for moving a book over the said surface with the back thereof spaced from the surface by a gap, the said surface being so inclined that the gap diminishes in the direction of movement, means for introducing adhesive into the said gap, and wall members to enhance compression of adhesive at each side of the gap to confine the book and prevent escape of adhesive thereby.
Claim 2
Dependent Claim
93 words
Apparatus so constructed and arranged as to be capable of preparing a book for adhesive securement, said apparatus comprising an element providing a flat compressing surface, means for moving a book over the said surface with the back thereof spaced from the surface by a gap, the said surface being so inclined that the gap diminishes in the direction of movement, means for introducing adhesive into the said gap, and wall members to enhance compression of adhesive at each side of the gap to confine the book and prevent escape of adhesive thereby.
Claim 3
Dependent Claim
14 words
Apparatus as claimed in claim 1 wherein one of the walls is laterally adjustable.
Claim 4
Dependent Claim
28 words
Apparatus as claimed in claim 1 wherein the means for introducing adhesive into the gap comprises apertures connecting a source of adhesive to the entry of the gap.
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) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |