US2066620A - Book and method of making same - Google Patents

Description

Jan. 5, 1937.. A. L. GRAMMER 2,@66,6Z0

BOOK AND METHOD OF MAKING SAME Filed Feb. 25, 1935 Patented Jan. 5, 1937 UNITED STATES PATENT OFFICE BOOK AND METHOD OF MAKING SAME Application February 25, 1935, Serial No. 7,965

2 Claims.

The present invention relates to books and to the binding thereof, and it relates more particularly to books of the so-called saddle back type, i. e., books in the binding of which folded sheets comprising at least four leaves are assembled and stitched or stapled at the folded portions, providing a peaked back which presents an unsightly appearance and gives rise to fiimsiness and to insecurity of the sheets.

The principal object of the present invention is to improve such books by imparting to them a dressy appearance, a better back-bone, and a better tie.

Other objects will appear from the following description at the end of which the invention will be claimed.

The invention consists in the method of making such books which comprises collecting folded sheets of at least two double leaves by assembling them upon a saddle, thereby providing a peaked back, flattening the peaked back by pressure exerted on the assembly, and stitching the assembly through the fiat back.

The invention also comprises the improvements to be presently described and finally claimed.

" In the following description, reference will be made to the accompanying drawing forming part hereof and in which:

Figure 1 is a perspective View of a part of a 3 book constructed according to the invention and showing the flat back;

Fig. 2 is a diagrammatic and schematic crosssectional view of the same;

Fig. 3 is a perspective view of a saddle back type of assembly showing the peaked back; and

Fig. 4 is a perspective view illustrating one means for the application of pressure to the assembly of Fig. 3.

In the drawing, the back I of the book or magazine is flat. The folded portions 2 of the sheets of four pages 3 are of rectangular form, providing the flat back I. The stitches or staples 4 are arranged through the flat back and at the groove 5, and this provides a good tie and hinge effect, because the staples or stitches can be readily aligned. The cover is not shown, but it may be placed under the stitches or pasted over them. The stitches may be of round or fiat wire, and, being arranged in alignment and centrally of the back, they operate to preserve it. The 5 flat back not only presents a dressy appearance, but also permits of printing.

In general, the described book presents the appearance of books bound by trimming and roughening the folded portions of stacked sigl0 natures, or-folded or fiat sheets, but is much cheaper to make.

According to the present invention, the folded sheets 3 are collected by assembling them as indicated in Fig. 3. This may be done upon a saddle 15 which is too well understood to require illustration. The back is peaked as shown at 6. The peaked back 6 is flattened and the groove 5 is provided by pressure exerted upon the folded portion of the assembly. For this purpose, the 0 assembly shown in Fig. 3 can be arranged astride of the support '5' and subjected to pressure by the rolls 8 and 9, through which it travels.

It will be obvious to those skilled in the art to 'which my invention relates that modifications may be made in details of construction and arrangement and matters of mere form without departing from the spirit of the invention which is not limited to such matters or otherwise than the prior art and the appended claims may require.

I claim:

1. The method of binding books comprising, collecting folded sheets containing two leaves by assembling them one within another thereby providing a peaked back, flattening said peaked back and providing an internal generally rectangular groove by pressure exerted on the assembly, and stitching at the groove and through the back.

2. The method of binding books which includes making an assembly of sheets with a peaked back by assembling them one within another and flattening the back by pressure.

ALLEN L. GRAMMER.

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