US1396393A

US1396393A - Reproducing design

Info

Publication number: US1396393A
Application number: US479146A
Authority: US
Inventors: James W Aston
Original assignee: Individual
Current assignee: Individual
Priority date: 1921-06-20
Filing date: 1921-06-20
Publication date: 1921-11-08
Anticipated expiration: 1938-11-08

Description

PATENT OFFICE.

JAMES W. ASTON, OF CHICAGO, ILLINOIS.

REPBODUCING DESIGN.

No Drawing.

T 0 all whom it may concern:

Be it known that I, Janus 1V. AsToN, a citizen of the United States, residin at Chicago, in the county of Cook and tate of Illinois, have invented a new and useful Improvement in Reproducing Designs, of which the following is a specification.

The present invention relates to improvements in the art of reproducing characters, designs and the like and more particularly to stamping processes for producing cards, sheets and the like intended to be reproduced photographically and projected as titles or headings in connection with moving pictures or photoplays.

In accordance with methods hithertonn use, and with which the present invention is connected, the titles or headings of photoplays or motion pictures are produced by photographic processes from cards of suitable dimensions; say 10 by 12 inches or 11 by 14 inches, upon which the characters or design are applied by stamping. The card, which forms the background is black, gray or other color suitable for a background, and the characters or designs are stamped thereon in white or yellow stampingleaf. The designs and characters to be stamped on a single title card may be, and frequently are, of widely varying character, from fine, almost hair lines of white to heavy masses of white through which fine lines of the gray or black of the card appear.

In the processes hitherto carried out it has been necessary to use cards having a smooth or calendered surface, and to carefully control the temperature of the stamping dies and the length of the stamping operation. Even with the exercise of the utmost care in these matters a tendency to blurring and irregularities at the edges of characters and designs appeared, these faults being magnified two to three hundred times in projection. Furthermore, fine lines are thickened in imprinting, and when intended to appear as dark lines in a white design or character, are completely obliterated, this necessitating the cutting away of lines and edges by hand to secure sharpness and clearness.

In accordance with the present invention the impressions of characters and design in leaf upon a card can be made with clear outlines and without blurring or thickening of fine imprinted lines or obliteration of Specification of Letters Patent.

Application filed June 20,

Patented Nov. 8, 1921.

1921. Serial No. 479,146.

fine lines in black imprints. Furthermore, in accordance with the present process cards may be employed which do not have a glossy or calendered surface, and more particularly cards having a mat or nap finish may be used, with marked improvement in photographic results. Temperature control becomes of minor importance when the process is carried out in accordance with the present invention, as the imprint ma be made at varying temperature, the lengtli of impression of the designs or characters being greater with lower temperatures of the imprinting disks. Furthermore, by the use of the present invention special stamping dies are not needed, and ordinar printers type and electrotypes may be use U 11 carrying out the present process I ap-. ply to the back of the stamping leaf a very thin coating of a dilute solution of an adhesive, preferably albumen. This solution contains a minute proportion of the adhesive material, the proportion being less than 1% and not substantially affecting the visible viscosity of the water in which it is dissolved. A suitable solution may be prepared by dissolving two to three ounces of albumen, preferably a mixture of blood and e g albumen, in sixteen quarts of water. in practice it is preferred to dissolve the albumen in one quart of water to form a stock solution, to which any suitable preservative may be added, and to take one-half ounce (1 teaspoonful) of the solution and dilute it to eight ounces for use. This solution is applied by dampening a sponge or cloth with it and lightly aplying it over the back of the stamping leaf. A very thin coating of solution is thus provided on the latter. The solution is then allowed to dry, at least until a slight tackiness is felt on application of the finger. The leaf is then applied to the face of the card and the design or character imprinted thereon. The form used for stamping may be cold or may be heated, a shorter period of impression being required with heated dies. Thus, with type or cuts at ordinary temperature (about 70 F.) pressure should be applied for about one to one and one-half seconds. With the form at a temperature of to 120 F. the length of impression in ordinary job printing presses is suflicient. It is readily apparent that ordinary presses may be used for the operation, it being preferred to use a heated form or to apply heating means to the form in the press. At higher temperatures, say 170 to 200 F, a momentary-impression is sufficient. i

The impression thus produced, even from ordinary types and cuts, is clear, with sharp goutlines, and the excess of leaf is readily removed, by pulling off the leaf for example, which is removable as a Whole except lror the stamped design or characters. The nap or finish of the exposed portions of the card is in no Way affected, and accidental overrunning of time of impression, unless very great at higher temperatures, does not affect the clearness of impression.

Although the present invention has been described in connection with the details of a specific example of a process in which it is embodied, it is not intended that these I details shall be regarded as limitations upon the scope of the invention except in so far as included in the following claims.

I claim 1. The process of stamping designs and the likeWhich comprises applying to. the back of stamping leaf a thin coating of a solution of adhesive containing not more than 1% of adhesive material, drying it, applying the leaf to the face of a card and impressing the type or design thereupon.

2. The process of stamping designs and the like which comprises applying a thin coating of a solution of an adhesive containing not more than 1% of adhesive material to the back of stamping leaf, drying it, applying it to the face of a nap-finished card, impressing the type or design thereupon and removing the excess stamping leaf thereby leaving the clearly outlined design.

JAMES W. ASTON.