Patent US4750956A successfully refreshed from Google Patents.
US4750956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam binding
Assignee: Xerox Corp
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Filing: 1986-12-19
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Granted: 1988-06-14
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Expires: 2006-12-19
Abstract
Abstract A method of binding sheets of a book having highly irregular edges while maintaining a flush thumb edge, includes applying a foam adhesive to the irregular edges and wrapping a spine tape with cold adhesive such that the spine tape contacts the book covers.
Inventors
- 👤 Michael A. Malachowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:45
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0006; B42C9/0012; B42C9/0018; B42C9/0025; Y; Y10; Y10S; Y10S156/00; Y10S156/908; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1034; Y10T428/00; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
60 words
A method for binding a book having pages with irregular spine edges and a flush opening edge, comprising the steps of: (a) applying a foam adhesive to said irregular edges of said pages, said foam being adapted to remain foamed after it is applied to the pages of the book; and (b) applying a wrapping means around said foam adhesive.
Claim 2
Independent Claim
60 words
A method for binding a book having pages with irregular spine edges and a flush opening edge, comprising the steps of: (a) applying a foam adhesive to said irregular edges of said pages, said foam being adapted to remain foamed after it is applied to the pages of the book; and (b) applying a wrapping means around said foam adhesive.
Claim 3
Dependent Claim
15 words
The method of claim 1, wherein said wrapping means includes a single piece of material.
Claim 4
Dependent Claim
50 words
The method of claim 1, wherein said wrapping means includes a spine tape and individual front and back covers, said spine tape being adapted to cover said foam adhesive and said irregular edges of said pages and contact said front and rear covers in order to form a complete book.
Claim 5
Dependent Claim
28 words
The method of claim 3, wherein said spine tape includes a cold adhesive adapted to adhere said spine tape to said front and rear covers of the book.
Claim 6
Independent Claim
72 words
A method for binding cut sheets having irregular edges that have exited a printing apparatus, comprising the steps of: registering the cut sheets so as to provide a flush opening edge and irregular spine edges; applying foam adhesive over said irregular spine edges, said foam being adapted to remain foamed after it is applied to the irregular spine edges of the cut sheets; and wrapping a spine cover around said foam adhesive.
Claim 7
Independent Claim
72 words
A method for binding cut sheets having irregular edges that have exited a printing apparatus, comprising the steps of: registering the cut sheets so as to provide a flush opening edge and irregular spine edges; applying foam adhesive over said irregular spine edges, said foam being adapted to remain foamed after it is applied to the irregular spine edges of the cut sheets; and wrapping a spine cover around said foam adhesive.
Claim 8
Dependent Claim
26 words
The method of claim 4, wherein said spine cover is a single cut sheet that also serves as front and rear covers for the cut sheets.
Claim 9
Dependent Claim
18 words
The method of claim 5, including the step of providing front and rear covers for the cut sheets.
Claim 10
Dependent Claim
28 words
The method of claim 7, wherein said spine cover comprises tape means having a cold adhesive applied thereto and adapted for adherence to said front and rear covers.
Claim 11
Dependent Claim
27 words
The method of claim 5, wherein said foam adhesive is applied in its pre-foam state and including the step of foaming the adhesive after it is applied.
Claim 12
Dependent Claim
26 words
The method of claim 5, wherein said foam adhesive is applied between said spine cover and said irregular edges in its foam state by injection molding.
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) | 1991-06-14 | 1991-12-14 | 1992-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-14 | 1995-12-14 | 1996-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-14 | 1999-12-14 | 2000-06-14 | $7700.00 | Window Closed / Lapsed |