US1223773A - Stenciling material. - Google Patents
Stenciling material. Download PDFInfo
- Publication number
- US1223773A US1223773A US13712916A US13712916A US1223773A US 1223773 A US1223773 A US 1223773A US 13712916 A US13712916 A US 13712916A US 13712916 A US13712916 A US 13712916A US 1223773 A US1223773 A US 1223773A
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- US
- United States
- Prior art keywords
- sheet
- backing
- carrier
- stencil
- stenciling
- 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.)
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- 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
Definitions
- My invention relates to stencil-sheets and their backing, and particularly to the use of stencil-sheets which for their efficient operation require moistening as a preliminary to the striking of the type thereon.
- $uch stencil sheets are commonly made of open porous material, such as Yoshino paper, impregnated with a colloidal substance, such as coagulated protein containing a suitable tempering ingredient.
- Such stencil-sheets have been combined, as in my Patent No. 1,101,259, dated June 23, 1914, for stenciling material, with a carrier-sheet of hard firm paper, and an interposed sheet (termed in said patent a backing-sheet) of soft, absorbent paper or other suitable material, adapted to take up a moistening fluid such as water, glycerin and Turkey red oil.
- the carrier-sheet of stiff firm paper is coated with varnish, and the absorbent backing-sheet is secured thereto throughout substantially its whole expanse.
- the backing-sheet is sufliciently absorptive to take up the moistening fluid for the purpose of moistening the stencil-sheet overlying the same.
- My present invention constitutes an improvement over such an arrangement, which enables superior results to be attained in several respects.
- My improvement involves interposing a thin coating of waxlike material, such, for example, as hard paraffin or the like, between the upper surface of the carrier-sheet and the backing-sheet, and this is preferably done by coating one side of the latter with the paraffin, and then affixing the backingsheet to the carrier-sheet with the wax surface next to the upper surface thereof, which may, if desired, have previously been provided with a coating of varnish.
- This has the effect of making the under side of the backing-sheet more resistant to moisture than it otherwise would be, .while at the same time the combined sheets are desirably flexible.
- the use of the parafiin prevents leakage of moisture into the body of the car'- rier-sheet, which would cause the latter to Specificationof Letters Patent.
- My invention comprises the stenciling material and also the method of preparing the same as described above.
- the backing-sheet is then laid on the carriersheet C, preferably before the varnish (Z on the surface of the latter has dried, the layer of parafiin e being next to the varnish surface.
- the combination of sheets is then, in my preferred process, subjected to pressure during which the process ofdrying out may continue.
- the backing-sheet is stencil is to be typed in a typewriter, or
- the stencil-sheet is laid back, the moistening compound applied to the backing-sheet and the stencil-sheet replaced, after which the combination may be introduced into the writing-machine for the stencil-cutting operation.
- a backing for a stencil-sheet comprising a-firm but flexible varnished carrier sheet and an. absorbent backing-sheet thereon with a thin layer of hard waxy material between the varnished surface of said carrier-sheet and the body of said absorbent backing-sheet, said backingsheet, waxy material and carrier-sheet being secured together throughout substantially the entire expanse of said backingsheet, and said waxy material and the varnish coating onsaid carrier-sheet being together impervious to moisture contained in said absorbent backing-sheet, substantially asset forth.
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Description
A. B. DICK.
STENCILING MA-TERIAL.
APPLICATION FILED 050.15. 1916.
1,223,778. Patented Apr. 24,1917.
Egg 0 a a a ALBERT B. DICK, OF LAKE FOREST, ILLINOIS, ASSIGNOR TO A. B. DICK COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.
STENCILING MATERIAL.
Application filed December 15, 1916.
To all whom it may concern: 4
Be it known that I, ALBERT B. DICK, a citizen of the United States, residing at Lake Forest, in the county of Lake and State of Illinois, have invented certain new and useful Improvements in. Stenciling Material, of which the following is a specification.
My invention relates to stencil-sheets and their backing, and particularly to the use of stencil-sheets which for their efficient operation require moistening as a preliminary to the striking of the type thereon. $uch stencil sheets are commonly made of open porous material, such as Yoshino paper, impregnated with a colloidal substance, such as coagulated protein containing a suitable tempering ingredient. Such stencil-sheets have been combined, as in my Patent No. 1,101,259, dated June 23, 1914, for stenciling material, with a carrier-sheet of hard firm paper, and an interposed sheet (termed in said patent a backing-sheet) of soft, absorbent paper or other suitable material, adapted to take up a moistening fluid such as water, glycerin and Turkey red oil.
As is described in the said patent, the carrier-sheet of stiff firm paper is coated with varnish, and the absorbent backing-sheet is secured thereto throughout substantially its whole expanse. The backing-sheet is sufliciently absorptive to take up the moistening fluid for the purpose of moistening the stencil-sheet overlying the same. My present invention constitutes an improvement over such an arrangement, which enables superior results to be attained in several respects.
My improvement involves interposing a thin coating of waxlike material, such, for example, as hard paraffin or the like, between the upper surface of the carrier-sheet and the backing-sheet, and this is preferably done by coating one side of the latter with the paraffin, and then affixing the backingsheet to the carrier-sheet with the wax surface next to the upper surface thereof, which may, if desired, have previously been provided with a coating of varnish. This has the effect of making the under side of the backing-sheet more resistant to moisture than it otherwise would be, .while at the same time the combined sheets are desirably flexible. The use of the parafiin prevents leakage of moisture into the body of the car'- rier-sheet, which would cause the latter to Specificationof Letters Patent.
Patented Apr. 24, 1917.
Serial No. 137,129.
become soft, and render it a poor resistant for the type in making a stencil in the type writer.
In addition to the above, my new procedure enables me to make clear stencils with less effort than has heretofore been possible. This may be due to the character of the resistance to the impact of the type offered by the combination of the waxlike material and the firm, hard carrier-sheet. Or it may be that since the former prevents the moistening solution from passing through the backing, the stencil-sheet is maintained in more nearly ideal condition for typing. However this may be, I have'demonstrated the fact by comparative tests with various makes of typewriters, with all of which the application of the same force on the typewriter key produces a clearer stencil with the stenciling material described herein than with that in which the described waxy coating is not used.
My invention comprises the stenciling material and also the method of preparing the same as described above.
In order that a clearer understanding of my invention may be had, attention is hereby directed to the accompanying drawingserably of absorbent paper or other suitable material, and C the carriersheet. The latter is preferably madeof fairly stiff firm paper having a varnished surface, as is shown at d in Fig. 2. This varnish coating is such as leaves the carrier-sheet sufficiently pliable to be easily handled in the typewriter. It is, to a considerable extent, impervious to moisture and may also, if desired, act as an adhesive for the purpose of binding thereto the layer of paraffin on the backing-sheet B, when, as is preferable, the backing-sheet and paraflin are permanently secured to the carrier-sheet. The coating of paraffin on the under side of backingsheet B is shown at e in the drawings. This paraffin or similar waxy material is coated on the backing-sheet B in a thin layer, and
the backing-sheet is then laid on the carriersheet C, preferably before the varnish (Z on the surface of the latter has dried, the layer of parafiin e being next to the varnish surface. The combination of sheets is then, in my preferred process, subjected to pressure during which the process ofdrying out may continue. As a result, the backing-sheet is stencil is to be typed in a typewriter, or
the like, the stencil-sheet is laid back, the moistening compound applied to the backing-sheet and the stencil-sheet replaced, after which the combination may be introduced into the writing-machine for the stencil-cutting operation.
Having now described my invention, what I claim as newtherein and desire to secure by Letters Patent is as 'follows:'
1. In stenciling material, the combination with a stencil-sheet, of a firm but flexible carrier-sheet and a backing-sheet between said stencil-sheet and carrier-sheet, said backing-sheet having a thin coating of waxlike material, impervious to moisture, on
'the side thereof adjacent to the coacting surface of said carrier-sheet, substantially as set forth.
2. In stenciling material, the combination with. a stencil-sheet, of'a firm but flexible carrier-sheet and an absorbent backingsheet between said stencil-sheet and carriersheet, said backing-sheet having a thin coat ing of waxlike material, impervious to moisture, on the side thereof adjacent to the coacting surface of said carrier-sheet, substantially. as set forth.
3. In stenciling materlal, the combination with a stencil-sheet, of a firm but flexible carrier-sheet and an absorbent backing-sheet between said stencil-sheet and carrier-sheet, said backing-sheet having a thin coating of hard waxlike material, impervious to moisture, on the side thereof adjacent the covarnished carrier-sheet and an absorbent backing-sheet between said stencil-sheet and carrier-sheet, said backing-sheet having a thin coating of waxlike material, impervlous to moisture, on the side thereof adjacent the coacting varnished surface of said carrier-sheet, substantially as set forth.
5. In stenciling material, a backing for a stencil-sheet comprising a-firm but flexible varnished carrier sheet and an. absorbent backing-sheet thereon with a thin layer of hard waxy material between the varnished surface of said carrier-sheet and the body of said absorbent backing-sheet, said backingsheet, waxy material and carrier-sheet being secured together throughout substantially the entire expanse of said backingsheet, and said waxy material and the varnish coating onsaid carrier-sheet being together impervious to moisture contained in said absorbent backing-sheet, substantially asset forth.
6. The method of preparing stenciling' material, comprising coatin an absorbent to a firm varnished carrier-sheet withthe layer of waxy material next to the varnished surface of the carrier-sheet, and securing a stencil-sheet at one end to the backing thus formed, so that the same will overlie said backing-sheet substantially as set forth.
backing-sheet on one side with a thin layer of hard Waxy material, aflixing the same This specification signed and witnessed this 8th day of December, 1916.
' ALBERT B. DICK.. Witnesses: S. O. EDMONDS,
. I. Mohrrosn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13712916A US1223773A (en) | 1916-12-15 | 1916-12-15 | Stenciling material. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13712916A US1223773A (en) | 1916-12-15 | 1916-12-15 | Stenciling material. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1223773A true US1223773A (en) | 1917-04-24 |
Family
ID=3291627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13712916A Expired - Lifetime US1223773A (en) | 1916-12-15 | 1916-12-15 | Stenciling material. |
Country Status (1)
Country | Link |
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US (1) | US1223773A (en) |
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1916
- 1916-12-15 US US13712916A patent/US1223773A/en not_active Expired - Lifetime
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