US2576491A - Composite sheet material - Google Patents
Composite sheet material Download PDFInfo
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- US2576491A US2576491A US28457A US2845748A US2576491A US 2576491 A US2576491 A US 2576491A US 28457 A US28457 A US 28457A US 2845748 A US2845748 A US 2845748A US 2576491 A US2576491 A US 2576491A
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- Prior art keywords
- composite sheet
- sheet
- vinyl
- sheet material
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- 239000002131 composite material Substances 0.000 title claims description 19
- 239000000463 material Substances 0.000 title description 17
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- -1 VINYL HALIDE Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920001567 vinyl ester resin Polymers 0.000 claims description 4
- ORGHESHFQPYLAO-UHFFFAOYSA-N vinyl radical Chemical class C=[CH] ORGHESHFQPYLAO-UHFFFAOYSA-N 0.000 claims 1
- 229920001220 nitrocellulos Polymers 0.000 description 16
- 239000004744 fabric Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000000123 paper Substances 0.000 description 7
- 239000000020 Nitrocellulose Substances 0.000 description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 6
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000003981 vehicle Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920006387 Vinylite Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/06—Stencils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/24—Stencils; Stencil materials; Carriers therefor
- B41N1/242—Backing sheets; Top sheets; Intercalated sheets, e.g. cushion sheets; Release layers or coatings; Means to obtain a contrasting image, e.g. with a carbon sheet or coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Definitions
- FIG. 3 4 1 12 INVENTOR dseja/l 92-4770 BY AT'f'ORNEYS Patented Nov. 27, 1951 UNITED STATES PATENT OFFICE.
- This invention relates to composite sheet material adapted especially for use in processes in which apattern is produced by cutting outlines of and removing a portion of the material.
- One such process is known as silk screen printing, in which the pattern is transferred to fabrics and the like 'by the application of a pigmented vehicle through a silk screen to which the cutout sheet material has been applied to form a kind of stencil.
- the pigmented vehicle passing only through that portion of the screen which is not covered by the material, forms a pattern on the fabric corresponding to the cutaway portion of the material.
- Another process is photographic, the image or pattern being transferred by the passage of light through the cutaway portion onto a photo-sensitive surface.
- sheet material available for such uses has consisted of a sheet of glassine or waxed paper (see Patent No. 1,781,834) as a backing having a layer of rubber composition and a superposed layer or film of nitrocellulose lacquer. This may be produced by spraying or roll coating a solution of the rubber composition on the paper and similarly applying a solution of nitrocellulose lacquer upon the rubber coating.
- the composite sheet is placed over the design which is to be reproduced and the nitrocellulose film is cut with a sharp instrument in the outline of the design.
- the cut-out portion of the nitrocellulose film is stripped, leaving the remainder of the nitrocellulose film intact.
- the nitrocellulose film is then adhesively secured to a textile fabric, preferably silk, screen. Thereafter the paper backing is stripped and discarded.
- FIG. 1 illustrates a design to be transferred, part of the design being red, for example, and the other green, for example.
- Fig. 1 illustrates a design to be transferred, part of the design being red, for example, and the other green, for example.
- red for example
- green for example.
- particular colors employed have no relation to the present invention, since any colors may be used.
- Fig. 2 is a plan view of the sheet material with portions cut away to indicate the successive layers;
- Fig. 3 is a plan view showing the application of the composite sheet to the silk screen with a part of the design cut out;
- Fig. 4 is a similar view showing the silk screen with the composite sheet applied thereto, and with the other portion of the design cut out;
- Fig. 5 is a side elevation of the composite sheet.
- a very superior composite sheet material for the purposes mentioned [and similar purposes may be prepared from a sheet consisting of copolymers of a vinyl halide such as vinyl chloride and a vinyl ester of an allphatic acid such as vinyl'acetate.
- Such sheet material is available as a commercial product. It is a thin sheet having an average thickness of .005 inch, flexible, transparent or translucent and of uniform quality. It is not susceptible to variations of relative humidity and does not expand or contract under such variations. It is not affected by solvents such as are used in preparing'a composite sheet. Hence it is particularly suited, as distinguished from other plastic sheet material, for the purposes of the present invention.
- a vinyl resin resulting from conjoint polymerization by which is meant polymerization of two or more compound-s while in mutual contact
- a vinyl halide such as vinyl chloride
- an oxygen-containing vinyl-compound such as the vinyl esters of ali-' phatic acids, of which esters vinyl acetate is typical.
- the proportions of these substances in the original monomeric mixture may be varied.
- the sheet material may be prepared from the pure resin by calendering between hot rolls, or between heated, polished plates. As indicated, such vinyl resins are not affected by moisture in the atmosphere and do not, therefore,
- a layer or film 7 of nitrocellulose Upon the rubber coating, I apply, by spraying. roll coating or otherwise, a layer or film 7 of nitrocellulose.
- the composition employed may be varied, but I prefer to use one-half second and five seconds nitrocotton with pure castor oil as a plasticizer in a solvent consisting of a mixture of ethyl acetate, ethyl alcohol and petrolene.
- the viscosity of -the solution of nitrocellulose should be such as to permit the application in the manner indicated of a film about twothousandths of an inch in thickness.
- a design consisting for example of the green portion 9 and the red portion 9 is formed on a suitable sheet.
- the composite sheet is laid thereover, and the part to be reproduced in red it cut away as indicated in Fig. 3.
- the sheet is then laid on the screen it with the nitrocellulose film resting upon the fabric of the screen.
- a suitable softener for the nitrocellulose film may be applied and the sheet rolled until adequate adhesion results.
- the backing sheet is stripped, and the screen appears with the cutaway portion li so that the pigmented vehicle may be applied to transfer the design to fabrics and the like.
- the design of Fig. 1 can be transferred to fabric and the like and, because the base material 5 has not been modified in dimensions, perfect registry between the colors will be maintained. Of course, this is more important with complicated designs which are frequently transferred, in the manner indicated, to fabrics.
- a composite sheet for use in forming silk screen stencils including a backing sheet of vinyl resin comprising a. 'copolymer of a vinyl halide and a vinyl ester of an aliphatic acid, said backing sheet having an average thickness of about 0.005 inch and being dimensional stable in the presence of moisture, a' cuttable stencil film, and a thin layer of strippable adhesive firmly securing the stencil film to the backing sheet.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Description
Nov. 27, 1951 J. ULANO I 2,576,491
COMPOSITE SHEET MATERIAL Filed May 21, 1948 FIGQI FIG. 2
FIG. 3 4 1 12 INVENTOR dseja/l 92-4770 BY AT'f'ORNEYS Patented Nov. 27, 1951 UNITED STATES PATENT OFFICE.
COMPOSITE SHEET MATERIAL Joseph Ulano, Brooklyn, N. Y.
Application May 21, 1948, Serial No. 28,457
4 Claims. (Cl. Mil-128.2)
This invention relates to composite sheet material adapted especially for use in processes in which apattern is produced by cutting outlines of and removing a portion of the material.
One such process is known as silk screen printing, in which the pattern is transferred to fabrics and the like 'by the application of a pigmented vehicle through a silk screen to which the cutout sheet material has been applied to form a kind of stencil. The pigmented vehicle, passing only through that portion of the screen which is not covered by the material, forms a pattern on the fabric corresponding to the cutaway portion of the material. Another process is photographic, the image or pattern being transferred by the passage of light through the cutaway portion onto a photo-sensitive surface.
Heretofore; sheet material available for such uses has consisted of a sheet of glassine or waxed paper (see Patent No. 1,781,834) as a backing having a layer of rubber composition and a superposed layer or film of nitrocellulose lacquer. This may be produced by spraying or roll coating a solution of the rubber composition on the paper and similarly applying a solution of nitrocellulose lacquer upon the rubber coating.
In use, the composite sheet is placed over the design which is to be reproduced and the nitrocellulose film is cut with a sharp instrument in the outline of the design. The cut-out portion of the nitrocellulose film is stripped, leaving the remainder of the nitrocellulose film intact. The nitrocellulose film is then adhesively secured to a textile fabric, preferably silk, screen. Thereafter the paper backing is stripped and discarded.
A difliculty arises, however, because the paper is highly susceptible to changes of relative humidity. It expands and contracts as much as three-eighths of an inch in all-directions in the sizes ordinarily used for the purpose. Hence, if the cutting is started and thereafter, before com pletion, the relative humidity changes, the design will be distorted. Even if the cutting is completed, the changes in dimension of the paper backing may distort the design before it is transferred to the silk screen. Where more than one color is to be used, two or more screens must be prepared, and distortion interferes with proper registry of the colors when the design is finally transferred to the fabric. Hence the paper backing as heretofore used is far from satisfactory, and sometimes unusable when relatively large designs are to be transferred.
It is the object of the present invention to provide a composite sheet material which is free from the difliculties and disadvantages hereinbefore mentioned, and particularly one which is not susceptible to changes in dimensions as the result of variation of relative humidity.
Other objects and advantages of the invention will be apparent as it is better understood by reference to the drawing, in which Fig. 1 illustrates a design to be transferred, part of the design being red, for example, and the other green, for example. Of course, particular colors employed have no relation to the present invention, since any colors may be used.
Fig. 2 is a plan view of the sheet material with portions cut away to indicate the successive layers;
Fig. 3 is a plan view showing the application of the composite sheet to the silk screen with a part of the design cut out;
Fig. 4 is a similar view showing the silk screen with the composite sheet applied thereto, and with the other portion of the design cut out; and
Fig. 5 is a side elevation of the composite sheet.
I have discovered that a very superior composite sheet material for the purposes mentioned [and similar purposes may be prepared from a sheet consisting of copolymers of a vinyl halide such as vinyl chloride and a vinyl ester of an allphatic acid such as vinyl'acetate. Such sheet material is available as a commercial product. It is a thin sheet having an average thickness of .005 inch, flexible, transparent or translucent and of uniform quality. It is not susceptible to variations of relative humidity and does not expand or contract under such variations. It is not affected by solvents such as are used in preparing'a composite sheet. Hence it is particularly suited, as distinguished from other plastic sheet material, for the purposes of the present invention.
As the backing sheet, I prefer a vinyl resin resulting from conjoint polymerization (by which is meant polymerization of two or more compound-s while in mutual contact) of a vinyl halide such as vinyl chloride and an oxygen-containing vinyl-compound such as the vinyl esters of ali-' phatic acids, of which esters vinyl acetate is typical. The proportions of these substances in the original monomeric mixture may be varied. I prefer a mixture containing parts of vinyl chloride to 30 parts of vinyl acetate, but mixtures containing from '70 to parts of vinyl chloride to 5 parts of vinyl acetate are generally suitable for the purpose. The sheet material may be prepared from the pure resin by calendering between hot rolls, or between heated, polished plates. As indicated, such vinyl resins are not affected by moisture in the atmosphere and do not, therefore,
aerator nitrocellulose film in the subsequent application of the sheet material.
Upon the rubber coating, I apply, by spraying. roll coating or otherwise, a layer or film 7 of nitrocellulose. The composition employed may be varied, but I prefer to use one-half second and five seconds nitrocotton with pure castor oil as a plasticizer in a solvent consisting of a mixture of ethyl acetate, ethyl alcohol and petrolene. The viscosity of -the solution of nitrocellulose should be such as to permit the application in the manner indicated of a film about twothousandths of an inch in thickness. When the film. is dried by evaporation of the solvent, the composite sheet is complete and ready for use.
In its application, a design consisting for example of the green portion 9 and the red portion 9 is formed on a suitable sheet. The composite sheet is laid thereover, and the part to be reproduced in red it cut away as indicated in Fig. 3. The sheet is then laid on the screen it with the nitrocellulose film resting upon the fabric of the screen. A suitable softener for the nitrocellulose film may be applied and the sheet rolled until adequate adhesion results. Thereupon the backing sheet is stripped, and the screen appears with the cutaway portion li so that the pigmented vehicle may be applied to transfer the design to fabrics and the like.
Similarly, as shown in Fig. 4, the green portion 9 of the design as shown in Fig. 1 is traced with a sharp instrument, and the nitrocellulose film within the design is removed. Thereupon the sheet is reversed and placed upon the screen it, and the nitrocellulose film is caused to adhere thereto in the manner previously indicated. Thereupon the backing sheet 5 is stripped, leav= ing the screen 12 covered by the cellulose nitrate him, with the cutout design it thereon. By using the two screens successively with suitable pigmented vehicles, the design of Fig. 1 can be transferred to fabric and the like and, because the base material 5 has not been modified in dimensions, perfect registry between the colors will be maintained. Of course, this is more important with complicated designs which are frequently transferred, in the manner indicated, to fabrics.
No claim is made herein to the process of transferring designs, since that process has been in common use for many years.
The invention.
depends upon the use of the vinyl resin sheet material to avoid the defects which exist in paper bacmngs heretofore employed in the manufac ture of composite sheets for the purpose described.
Various changes may be made in the composite sheet as described without departing from the invention or sacrificing the advantages thereof.
1 claim:
1. A composite sheet for use in forming silk screen stencils including a backing sheet of vinyl resin comprising a. 'copolymer of a vinyl halide and a vinyl ester of an aliphatic acid, said backing sheet having an average thickness of about 0.005 inch and being dimensional stable in the presence of moisture, a' cuttable stencil film, and a thin layer of strippable adhesive firmly securing the stencil film to the backing sheet.
2. A composite sheet as set forth in claim 1 in which the backing sheet comprises a copolymer of vinyl chloride and vinyl acetate.
3. A composite sheet as set forth in claim 2 in which the backing sheet comprises from to of vinyl chloride and 30% to 5% of vinyl acetate.
4. A composite sheet as set forth in claim 3 in which the adhesive is one having a rubber base and the stencil film is nitrocellulose.
JOSWH ULANO.
REFERENCES crrm The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name 1 Date 1,627,935 Stinchfield May 10, 1927 1,781,834 DAutremont Nov. 13, 1930 1,829,618 Studer Oct. 27, 1931 2,028,712 Swan Jan. 21, 1936 2,028,936 Kratz et a1. Jan. 28, 1936 2,030,731 Young Feb. 11, 1936 2,038,118 McLaurin Apr. 21, 1936 2,047,957 Fletcher July 21, 1936 2,099,154 Waters Nov. 16, 1937 2,234,06i Ulano et a1. Mar. 4, 1941 2,240,773 Harmon May 6, 1941 2,281,909 Barsky May 5, 1942 2,302,817 Toland Nov. 24, 1942 2,311,889 Toland Feb. 23, 1943 2,312,623 Brooks et a1. Mar. 2, 1943 2,354,574 Carson- July 25, 1944 2,366,083 Box et a1. Dec. 26, 194% 2,414,320 Miller Jan. 14, 1947 FOREIGN PATENTS Number Country Date 357,204 Great Britain of 1931 OTHER REFERENCES Vinylite Resins for Surface Coatings, published by Bakelite Corp. (1942). (Copy in Div. 67.)
Claims (1)
1. A COMPOSITE SHEET FOR USE IN FORMING SILK SCREEN STENCILS INCLUDING A BACKING SHEET OF VINYL RESIN COMPRISING A COPOLYMER OF A VINYL HALIDE AND A VINYL ESTER OF AN ALIPHATIC ACID, SAID BACKING SHEET HAVING AN AVERAGE THICKNESS OF ABOUT 0.005 INCH AND BEING DIMENSIONAL STABLE IN THE PRESENCE OF MOISTURE, A CUTTABLE STENCIL FILM, AND
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28457A US2576491A (en) | 1948-05-21 | 1948-05-21 | Composite sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28457A US2576491A (en) | 1948-05-21 | 1948-05-21 | Composite sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2576491A true US2576491A (en) | 1951-11-27 |
Family
ID=21843546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US28457A Expired - Lifetime US2576491A (en) | 1948-05-21 | 1948-05-21 | Composite sheet material |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2576491A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731356A (en) * | 1952-12-18 | 1956-01-17 | Earl G Conley | A stencil filler solution |
| US2746877A (en) * | 1953-07-29 | 1956-05-22 | Meyercord Co | Dry release transfer and method of making the same |
| US2813052A (en) * | 1952-02-11 | 1957-11-12 | Plastic Film Corp | Composite moisture-proof plasticized fabric and method of making the same |
| US3663223A (en) * | 1969-05-13 | 1972-05-16 | Signetics Corp | Process for making integrated circuit masks |
| JPS5051579A (en) * | 1973-09-10 | 1975-05-08 | ||
| US3892900A (en) * | 1972-11-02 | 1975-07-01 | Daicel Ltd | Masking films |
| JPS5452902U (en) * | 1978-07-13 | 1979-04-12 | ||
| US5262242A (en) * | 1990-01-31 | 1993-11-16 | Kansai Paint Co., Ltd. | Colored films for use in vacuum forming |
| US5707704A (en) * | 1994-12-27 | 1998-01-13 | Kimoto Co., Ltd. | Masking films |
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| US1627935A (en) * | 1926-04-01 | 1927-05-10 | Eastman Kodak Co | Laminated film which includes alpha layer of polymerized vinyl chloride |
| US1781834A (en) * | 1929-05-06 | 1930-11-18 | Daneman As | Stencil sheet |
| GB357204A (en) * | 1930-05-20 | 1931-09-21 | Bakelite Corp | Improvements in or relating to panels or backings for oil paintings |
| US1829618A (en) * | 1929-08-02 | 1931-10-27 | Hoover Co | Filter material and process of making it |
| US2028712A (en) * | 1934-05-26 | 1936-01-21 | Bakelite Corp | Printing plate |
| US2028936A (en) * | 1933-12-15 | 1936-01-28 | Marbo Products Corp | Carrier web for the formation of thin transparent films |
| US2030731A (en) * | 1935-04-01 | 1936-02-11 | Toledo Porcelain Enamel Produc | Process for making photographic stencil screens |
| US2038118A (en) * | 1934-09-17 | 1936-04-21 | Maclaurin John | Decalcomania paper |
| US2047957A (en) * | 1934-04-14 | 1936-07-21 | Plastergon Wall Board Company | Coated article |
| US2099154A (en) * | 1934-05-07 | 1937-11-16 | Econo Products Inc | Shrinkage control of flexible printing plates and the like |
| US2234064A (en) * | 1939-07-26 | 1941-03-04 | Nu Film Products Company Inc | Art of surface ornamentation |
| US2240773A (en) * | 1937-11-15 | 1941-05-06 | Byron W Hannon | Method of lithography |
| US2281909A (en) * | 1940-03-26 | 1942-05-05 | Alfred S Daneman | Printing stencil and method of making the same |
| US2302817A (en) * | 1941-07-02 | 1942-11-24 | Toland | Improvement in printing plates |
| US2311889A (en) * | 1941-11-19 | 1943-02-23 | Toland William Craig | Lithographic plate |
| US2312623A (en) * | 1939-11-17 | 1943-03-02 | Monsanto Chemicals | Tracing plastic |
| US2354574A (en) * | 1942-08-25 | 1944-07-25 | Wingfoot Corp | Moistureproofed glassine paper |
| US2366083A (en) * | 1942-10-27 | 1944-12-26 | Johnson Matthey Co Ltd | Manufacture and production of photographic sensitive material |
| US2414320A (en) * | 1942-11-13 | 1947-01-14 | Gen Electric | Dielectric sheet material |
-
1948
- 1948-05-21 US US28457A patent/US2576491A/en not_active Expired - Lifetime
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|---|---|---|---|---|
| US1627935A (en) * | 1926-04-01 | 1927-05-10 | Eastman Kodak Co | Laminated film which includes alpha layer of polymerized vinyl chloride |
| US1781834A (en) * | 1929-05-06 | 1930-11-18 | Daneman As | Stencil sheet |
| US1829618A (en) * | 1929-08-02 | 1931-10-27 | Hoover Co | Filter material and process of making it |
| GB357204A (en) * | 1930-05-20 | 1931-09-21 | Bakelite Corp | Improvements in or relating to panels or backings for oil paintings |
| US2028936A (en) * | 1933-12-15 | 1936-01-28 | Marbo Products Corp | Carrier web for the formation of thin transparent films |
| US2047957A (en) * | 1934-04-14 | 1936-07-21 | Plastergon Wall Board Company | Coated article |
| US2099154A (en) * | 1934-05-07 | 1937-11-16 | Econo Products Inc | Shrinkage control of flexible printing plates and the like |
| US2028712A (en) * | 1934-05-26 | 1936-01-21 | Bakelite Corp | Printing plate |
| US2038118A (en) * | 1934-09-17 | 1936-04-21 | Maclaurin John | Decalcomania paper |
| US2030731A (en) * | 1935-04-01 | 1936-02-11 | Toledo Porcelain Enamel Produc | Process for making photographic stencil screens |
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| US2312623A (en) * | 1939-11-17 | 1943-03-02 | Monsanto Chemicals | Tracing plastic |
| US2281909A (en) * | 1940-03-26 | 1942-05-05 | Alfred S Daneman | Printing stencil and method of making the same |
| US2302817A (en) * | 1941-07-02 | 1942-11-24 | Toland | Improvement in printing plates |
| US2311889A (en) * | 1941-11-19 | 1943-02-23 | Toland William Craig | Lithographic plate |
| US2354574A (en) * | 1942-08-25 | 1944-07-25 | Wingfoot Corp | Moistureproofed glassine paper |
| US2366083A (en) * | 1942-10-27 | 1944-12-26 | Johnson Matthey Co Ltd | Manufacture and production of photographic sensitive material |
| US2414320A (en) * | 1942-11-13 | 1947-01-14 | Gen Electric | Dielectric sheet material |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2813052A (en) * | 1952-02-11 | 1957-11-12 | Plastic Film Corp | Composite moisture-proof plasticized fabric and method of making the same |
| US2731356A (en) * | 1952-12-18 | 1956-01-17 | Earl G Conley | A stencil filler solution |
| US2746877A (en) * | 1953-07-29 | 1956-05-22 | Meyercord Co | Dry release transfer and method of making the same |
| US3663223A (en) * | 1969-05-13 | 1972-05-16 | Signetics Corp | Process for making integrated circuit masks |
| US3892900A (en) * | 1972-11-02 | 1975-07-01 | Daicel Ltd | Masking films |
| JPS5051579A (en) * | 1973-09-10 | 1975-05-08 | ||
| JPS5452902U (en) * | 1978-07-13 | 1979-04-12 | ||
| US5262242A (en) * | 1990-01-31 | 1993-11-16 | Kansai Paint Co., Ltd. | Colored films for use in vacuum forming |
| US5707704A (en) * | 1994-12-27 | 1998-01-13 | Kimoto Co., Ltd. | Masking films |
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