US1208688A - Process of producing attrition-sheets and the articles of manufacture produced thereby. - Google Patents

Process of producing attrition-sheets and the articles of manufacture produced thereby. Download PDF

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Publication number
US1208688A
US1208688A US75790913A US1913757909A US1208688A US 1208688 A US1208688 A US 1208688A US 75790913 A US75790913 A US 75790913A US 1913757909 A US1913757909 A US 1913757909A US 1208688 A US1208688 A US 1208688A
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United States
Prior art keywords
sheet
attrition
sheets
articles
celluloid
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Expired - Lifetime
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US75790913A
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Herman F Stempel Jr
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B23/06—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Definitions

  • My invention relates to improvements in the process of manufacturing attrition sheets, disks, strips and other attrition devices, and to the improvements in the articles of manufacture produced thereby, and it consists in the steps of a process, and the product produced thereby as herein set forth and as specified in the annexed claims.
  • An object of my invention is to provide a process for making attrition sheets, disks, strips and other attrition devices which is simple and which results in a superiorproduct.
  • a further object of my invention is to provide a process for the manufacture of attrition sheets, disks, strips and other attrition devices which obviates the use of heat and pressure.
  • FIG. 1 is a plan view of a sheet of celluloid before treatment
  • Fig. 2 is a face view of the sheet after treatment
  • Fig. 3 is a face view of a finished disk
  • Fi 4 is a greatly enlarged section through t e disk.
  • the sheet is treated with a solution of celluloid in a suitable solvent.
  • a suitable solvent I preferably use acetone or some similar volatile solvent.
  • the face of the sheet may be dipped in the solution or the latter may be caused to flow over the face of, the sheet, the surplus being drained off, or the solution may be applied to the sheet with a brush or other suitable device.
  • the solvent contained in the solution acts upon the celluloid sheet and dissolves some of the surface of the sheet causing the surface of the sheet to become part of the solution.
  • the granulated attrition material 4 such as sand, emery and other attrition material is applied on the solution surface of the sheet.
  • the whole solution and sheet, after the evaporation of the solvent, become united, and as one homogeneous mass form the base in which the attrition material becomes embedded and set.
  • This attrition material may vary in size so as to produce disks and other attrition devices which are either coarse or fine.
  • the sheet At the time the solution and attrition material is applied to the sheet, and until the evaporation of the solvent'is complete, the sheet must be kept from buckling by some means such as the frame shown in Fig. 1. After the evaporation of the solvent is complete, the sheet is removed from the frame, and disks 5, or strips, or other attrition devices may be cut or stamped from the sheet thus produced.
  • disks 5, or strips, or other attrition devices may be cut or stamped from the sheet thus produced.

Description

H. F. STEMPEL, Jn. PROCESS 6F PRODUCING ATTRHION SHEETS AND THE ARTICLES OF MANUFACTURE PRODUCED TviEREBY.
APPLICATION FILED mm. 31. I913.-
hmmw Me 12, 916.
- possessed of the requisite strength and flexi HERMAN F. STEMPEL, JR.,
OF FORT MADISON, IOWA.
PROCESS OF PRODUCING ATTRITION-SHEETS AND THE ARTICLES OF MANUFACTURE PRODUCED THEREBY.
Specification of Letters Patent.
mama Dec. 12, leis.
Application filed March 31, 1913. Serial No. 757,909.
To all whom it may concern:
Be it known that I, HERMAN F. S'rnMrnL, Jr., a citizen of the United States, and a resident of Fort Madison, in the county of Lee and State of Iowa, have made certain new and useful Improvements in Processes of Producing Attrition-Sheets and the Articles of Manufacture Produced Thereby, of which the following is aspecification.
My invention relates to improvements in the process of manufacturing attrition sheets, disks, strips and other attrition devices, and to the improvements in the articles of manufacture produced thereby, and it consists in the steps of a process, and the product produced thereby as herein set forth and as specified in the annexed claims.
An object of my invention is to provide a process for making attrition sheets, disks, strips and other attrition devices which is simple and which results in a superiorproduct.
A further object of my invention is to provide a process for the manufacture of attrition sheets, disks, strips and other attrition devices which obviates the use of heat and pressure.
'Other objects and advantages will appear in the following specification and the novel features of the device will be particularly pointed out in the appended claims.
My invention is illustrated in the accompanying drawings forming part of this application in which- Figure 1 is a plan view of a sheet of celluloid before treatment, Fig. 2 is a face view of the sheet after treatment, Fig. 3 is a face view of a finished disk, and Fi 4 is a greatly enlarged section through t e disk.
In carrying out my invention I make use of a sheet 1 of celluloid, since the latter is bility and is also waterproof. This sheet is placed in a frame 2, which is provided with suitable clamping members such as thumb screws 3 to hold the sheet rigidly. Any
other suitable means for holding the sheet rigidly might be employed Without departing from the spirit and the scope of the invention.
The sheet is treated with a solution of celluloid in a suitable solvent. I preferably use acetone or some similar volatile solvent.
solutionin any suitable manner. The face of the sheet may be dipped in the solution or the latter may be caused to flow over the face of, the sheet, the surplus being drained off, or the solution may be applied to the sheet with a brush or other suitable device.
The solvent contained in the solution acts upon the celluloid sheet and dissolves some of the surface of the sheet causing the surface of the sheet to become part of the solution. Before the solvent has time to evaporate, the granulated attrition material 4, such as sand, emery and other attrition material is applied on the solution surface of the sheet. The whole solution and sheet, after the evaporation of the solvent, become united, and as one homogeneous mass form the base in which the attrition material becomes embedded and set. This attrition material may vary in size so as to produce disks and other attrition devices which are either coarse or fine. When the solvent has evaporated the celluloid in the original solution and that dissolved onthe surface of the sheet thereby regains. its former character as celluloid, and the grains of the attrition material become embedded and set firmly on the sheet, the bases of the grains being surrounded by the celluloid residue of the original solution and of the dissolved portion of the sheet.
The process described above' will form disk and other attrition devices of excellent quality. I may, however, apply a second coat of the solution to the sheet upon which the attrition material has been placed. The application of the second coat results in surrounding the attrition material more deeply with celluloid without lessening the attrition qualities. Where it is desired to produce a product havingvery fine materialembedded upon it the one coat process is preferable.
At the time the solution and attrition material is applied to the sheet, and until the evaporation of the solvent'is complete, the sheet must be kept from buckling by some means such as the frame shown in Fig. 1. After the evaporation of the solvent is complete, the sheet is removed from the frame, and disks 5, or strips, or other attrition devices may be cut or stamped from the sheet thus produced. I am aware that it has been'proposed to form attrition disks and the like from cellul oid by heating the sheet and forcing the attrition material into the sheet under pressure. I do not claim such a process. I am also aware that it has been proposed to apply attrition material to celluloid disks or the like and to secure the attrition material to the sheets by the use of a cement. I therefore'do not claim either of these processes. j
What I claim is z 1. The herein described process of producing attrition sheets which consists intreating the face of the sheet with a solvent, thereby softening the surface of the sheet, applying attrition material to the sheet while the latter is in its softened condition, and then drying the sheet.
2. The herein described process of producing attrition sheets which consists in treating the face of the sheet with a solvent, thereby softening the surface of the sheet, applying attrition material to the sheet While the latter is in its softened condition, then drying the sheet, and preventing the buckling of the sheet While the latter is drying. 3. he herein described process of producterial to the sheet While the latter is in its softened condition, and then drying" the sheet.
4. The herein described process of producing attrition sheets which consits in treating the face of a sheet of celluloid witha solution of celluloid containing a volatile solvent, applying attrition material to the sheet and subsequently permitting'the solvent to solution of celluloid containing a volatile solvent, applying attrition material to the sheet, subsequently applying a second coat of the solution anddrying the sheet.
6. The herein described attrition sheet which consists of a body portion of celluloid sheet. HERMAN F; STEMPEL, JR. Witnesses:
WOLFGANG. T. I STEMPEL, RUTH Low.
lution which has become united with the
US75790913A 1913-03-31 1913-03-31 Process of producing attrition-sheets and the articles of manufacture produced thereby. Expired - Lifetime US1208688A (en)

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US75790913A US1208688A (en) 1913-03-31 1913-03-31 Process of producing attrition-sheets and the articles of manufacture produced thereby.

Applications Claiming Priority (1)

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US75790913A US1208688A (en) 1913-03-31 1913-03-31 Process of producing attrition-sheets and the articles of manufacture produced thereby.

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US1208688A true US1208688A (en) 1916-12-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606409A (en) * 1950-07-25 1952-08-12 Robert N Gordon Means and method for conditioning photographic apparatus
US2725697A (en) * 1953-11-02 1955-12-06 Walter D Christensen Process for seating the brushes on an electric commutator
US6019663A (en) * 1998-02-20 2000-02-01 Micron Technology Inc System for cleaning semiconductor device probe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606409A (en) * 1950-07-25 1952-08-12 Robert N Gordon Means and method for conditioning photographic apparatus
US2725697A (en) * 1953-11-02 1955-12-06 Walter D Christensen Process for seating the brushes on an electric commutator
US6019663A (en) * 1998-02-20 2000-02-01 Micron Technology Inc System for cleaning semiconductor device probe
US6254469B1 (en) 1998-02-20 2001-07-03 Micron Technology, Inc. Wafer for cleaning semiconductor device probe
US6257958B1 (en) 1998-02-20 2001-07-10 Micron Technology, Inc. Method for cleaning semiconductor device probe
US6623345B2 (en) 1998-02-20 2003-09-23 Micron Technology, Inc. Wafer for cleaning semiconductor device probe

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