US123947A - Improvement in book-binding - Google Patents
Improvement in book-binding Download PDFInfo
- Publication number
- US123947A US123947A US123947DA US123947A US 123947 A US123947 A US 123947A US 123947D A US123947D A US 123947DA US 123947 A US123947 A US 123947A
- Authority
- US
- United States
- Prior art keywords
- book
- board
- binding
- improvement
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 241000124008 Mammalia Species 0.000 description 2
- 229920002892 amber Polymers 0.000 description 2
- 230000003467 diminishing Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D1/00—Books or other bound products
- B42D1/003—Books or other bound products characterised by shape or material of the sheets
- B42D1/004—Perforated or punched sheets
Definitions
- This invention relates to an improvement in that class of book-binding known as springbacks,77 the object being to simplify the construction of the back, and to cause the book, when open, to lie pert'ectlyiiat; and the invention consists, tirst, in the construction of the back from several successive thicknesses of board, each wider than the other, glued together and heated, and While hot bent into the form required, and there set without the intervention of moisture or chamfering, or rolling the board, the different Widths of the layers making the necessary reduction in thickness from the center to the edges; second, the insertion of a statt' piece of pasteboard or other suitable materialin each cover upon the inside, proj ectinginwardbeyond the edge of the cover parallel with the covers, and to this projecting board the lining of the book-back is attached, so that when the book is open the edges of these boards, carrying the outer leaves of the book further in toward the center than by the usual construction, throw up the center, causing the two pages to open perfectly ilat
- the back for book-binding constructed from several layers of board, increasing' in Width so as to be the thickest at the center and diminishing toward the edge, substantially in the manner described.
Description
GEORGE SMITH.
BookBinding.
No.123,947. Y Y Patentedreb. 2o, 1872.
AM. www4/mammal: :a mf amber/- fRorA-sseEoEeE SMITH, or EEIDeEPoET, CONNECTICUT.
IMPROVEMENT IN BOOK-BINDING.
Specification forming part of Letters Patent No. 123,947, dated February Q0, 1872.
Vdeclare the following', when taken in connection with the accompanying drawing and the letters of reference marked thereon,to be a full, clear, and exact description of the same, and which said drawing constitutes a part of this specification, and represents, in-
Figure 1, a section of the back; Fig. 2, a
section ofthe lining of one of the covers; and in Fig. 3, a transverse section on an enlarged scale through a book bound by my improved method.
This invention relates to an improvement in that class of book-binding known as springbacks,77 the object being to simplify the construction of the back, and to cause the book, when open, to lie pert'ectlyiiat; and the invention consists, tirst, in the construction of the back from several successive thicknesses of board, each wider than the other, glued together and heated, and While hot bent into the form required, and there set without the intervention of moisture or chamfering, or rolling the board, the different Widths of the layers making the necessary reduction in thickness from the center to the edges; second, the insertion of a stift' piece of pasteboard or other suitable materialin each cover upon the inside, proj ectinginwardbeyond the edge of the cover parallel with the covers, and to this projecting board the lining of the book-back is attached, so that when the book is open the edges of these boards, carrying the outer leaves of the book further in toward the center than by the usual construction, throw up the center, causing the two pages to open perfectly ilat. I take for the inner portion ofthe book several strips, a b c, more or less in number, according to the size of the book, each successive piece being Wider than the last. These strips are glued together, (common bonnet-board being used for this purpose,) and outside these I glue a thin piece, d, of tar-board, or similar material, wider than the other parts, as denoted in Fig. l, and over this apiece of thin paper is glued 5 the whole is then heated, and while hotis bent into the semi-cylindrical forni denoted in Fig. 1, the glue yielding to the bending process, and retaining the parts in that position when cold, so that the steaming or dampening process required for the thick board is avoided, and the back thus constructed possesses elasticity at its edges, which a steamed back does not. I will now describe the second part of my invention, the back A being of the construction last described. B is the cover-board or base, united to the back by the outer and inner coverings e f, denoted in solid black, so as to form the hinge at the intersection of the cover and back. Over this alining-board, C, is placed, which extends in over the edge ofthe back, as denoted in Fig. 3, and onto this the lining h of the back is secured, and over this the lining of the cover and the waste-leaf D is placed in the usual manner. The board C thus projecting as the book is opened throws up the leaves at the extreme inner edge, preventing the leaves bending at that point hence, at Whatever point the book is opened, the page across will be tlat, as denoted in Fig. 3.
I claim as my invention- 1. The back for book-binding, constructed from several layers of board, increasing' in Width so as to be the thickest at the center and diminishing toward the edge, substantially in the manner described.
2. In the process of binding books, I claim the board C, to which the back-lining h is secured, extending over the cover B toward the center to the edge of the leaves, substantially in the manner and for the purpose set forth.
Witnesses: GEORGE SMITH.
H. T. BLAKE, W. E. NORTON.
Publications (1)
Publication Number | Publication Date |
---|---|
US123947A true US123947A (en) | 1872-02-20 |
Family
ID=2193381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US123947D Expired - Lifetime US123947A (en) | Improvement in book-binding |
Country Status (1)
Country | Link |
---|---|
US (1) | US123947A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5222825A (en) * | 1992-03-18 | 1993-06-29 | The Mead Corporation | Round back binder |
-
0
- US US123947D patent/US123947A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5222825A (en) * | 1992-03-18 | 1993-06-29 | The Mead Corporation | Round back binder |
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