US879865A - Pasteboard box. - Google Patents

Description

PATENTED FEB. 25, 1908.

J. GODFREY. PASTEBOARD BOX.

APPLICATION FILED JUNE 12. 1907-' Witness usrrnn STATES ITPAATENT OFFICE.

JONATHAN GODFREY, OF BRIDGEPORT, CONNECTICUT, ASSI GNOR TO THE'GOMPRESSED PAPER BOX 00., OF BRIDGEPOBT, CONNECTICUT, A CORPORATION OECONNECTICUT;

BASTEBIOARD Box. I

Specification of Letters Patent.

Patented Feb. 25,1908.

- Application filed M612. 1907; seal No; 378-514.

To all whom it may concern:

Be it known that I, JONATHAN GODFREY, a citizen of the United States, residing at Bridgeport, in the county of F airfield and.-

State of Connecticut, have invented certain new and useful Improvements in Pasteboard Boxes; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others.

- material without the use of any adhesive substance or any other fastening device what? ever to maintain the corners of the box in their relative stiff rigid position.

My present invention relates to the box formed by practice of the apparatus forming the subject matter of my application filed Feb. 8, 1906, Serial No. 300,181,-and of the process-forming the subject matter of my. application filed August 6, 1906, Serial No. 329,436.

The object of my invention is to provide a box formed of pasteboard having rounded stiff rigid corners, which latter are'formed during the process of manufacture from the surplus stock which necessarily gathers at the corners during the striking up step, which corners are compressed to be of but slightly greater thickness than that of the original blank, and are caused so far as possible to assume the same thickness as that of the adjacent sides and ends of the box. Further I aim to completely eliminate the use of any adhesive material or other extraneous fastening means to cause the corners to assume stiff, rigid relation with respect to the sides of the box.

Further objects Will appear in the course of the following specification.

Referring to the accompanying drawings wherein like characters of reference denote similar parts throughout theseveral views- -Figure 1 is a plan view of the blank from which the box is madeFig. 2 is a perspective view of the box showing the overlapping plaits as they appear during the process of construction and prior to being completely and finally compressed, and Fig. 3 is a perspective view of the completed box.

As I have set forth in my apparatus and process applications, as above identified, in

the practice of my invention I employ a single pasteboard blank 1, which by means of the male and female dies is caused during the process of formation to assume the form depicted in Fig. 2, wherein there is shown a series. of overlapping plaits 2, at each of the box corners. These plaits extend obversely and reversely outside and inside said corners and in ,their overlapped relations are then compressed by ironing which is done by caring surface of the form of the completed exterior of the box, the interior of the box being carried by the male die which has the form of the completed interior of the box. These plaits at the corners of the box are disposed in substantially a vertical plane with respect to the bottom of the box, and the ironing operation is performed in a direction which is substantially the same as that in which said plaits are disposed, and inasmuch as the space existing between the, male and female dies substantially equals the thickness of the blank it will thus be observed that the blank during the entire time it is in contact with the two dies will be ironed and pressed, and the overlapping plaits will be compressed into a mass which will be shaped, ironed, and pressed into permanent stiff, rigid form of the same contour as that of the space between the two dies at their corner portions, and will be ejected having smooth, plain unbroken faces which form continuations of the sides and ends of the box, and bear but slightly perceptible traces of the overlapping plaits where they existed prior to their compression and ironing. Thus it is apparent that the completed box is formed without the use of adhesive substances or any extraneous fastening devices, which latter are completely eliminated, since the act of compression and prolonged ironing forms the corners stiff and rigid, of but slightly increased thick- 'rying. the blank through a long female iron-V..."

ness, which is a desideratum since strength is given the box at these important points. In actual practice the compression and ironing are so complete and perfect, that a box can be made from asteboard previously covered with a colore or ornamental pa er,

with thetraces of the corner plaits so e ectually eliminated, that, even to a careful observer, it would appear that the paper had been applied to the box after the latter had been made.

A box constructed as described can only with eat pressure at the corners be dis= andoutside said corners andfinallysiibected rupte at the latter place, and can only be to a prolonged ironing in substanti ythe separated by exerting a strong pulling force direction in which said laits are dis osed, 15

at such points. I whereby said corners -wi have smoot un- Having thus fully described my invention broken faces that form continuations of thewhat I claim as new is 4 smooth unbroken faces of the sides of the box.

A box formed of a single pasteboard blank In testimony whereof I aflix my signature which has rounded corners, the corners of the in presence of two witnesses.

completed box being formed of substantially JONATHAN GODFREY.- 10 vertlcally disposed plaits which overlap and Witnessesz'.

extend obversely and reversely, said laits F. W. SMITH, Jr.,'

being compressed into each other both inside M. T. LoNenEN

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