US1169378A - Process of making cartridge-shells. - Google Patents

Process of making cartridge-shells. Download PDF

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Publication number
US1169378A
US1169378A US85697814A US1914856978A US1169378A US 1169378 A US1169378 A US 1169378A US 85697814 A US85697814 A US 85697814A US 1914856978 A US1914856978 A US 1914856978A US 1169378 A US1169378 A US 1169378A
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US
United States
Prior art keywords
tube
shells
cartridge
water
shell
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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.)
Expired - Lifetime
Application number
US85697814A
Inventor
Edward C Bell
Raymond S Case
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Individual
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Individual
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Priority to US85697814A priority Critical patent/US1169378A/en
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Publication of US1169378A publication Critical patent/US1169378A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels

Definitions

  • Our invention relates to the process above set out, and an object of our invention, among others, is to provide a process by means of which cartridge shells of a superior quality may be produced in a particularly eflieient manner.
  • a tube is generally formed and is then cut up into proper lengths to provide the shells, these short lengths being supplied with the caps and other devices forming the complete shell.
  • the inner surface of the shells shall be coated with a material, as paraiiin, which is of particular advantage in that it prevents the inner surface of the shell from being scorched or burned when the powder is ignited,
  • This paraflin may be applied in the simplest manner, by dipping the shells. in baths of melted paraflin, thus treating the outside as Well as the inside of the shell. It is also essential that the outside of the shell shall be treated with a Water-proof coating in order that it Will not be delrilnentally affected by changes in atmospheric conditions.
  • paratlin it is advisable to apply paratlin to the surface of the paper comprising the tube in as small quantities as possible for the reason that the paraffin injures the fibers of the paper to an extent to weaken the shell to a certain degree, and while the advantages of the paraflin are such as to requireaits use on the inner surface of the tube we have provided means whereby just a sullicient quantity may be applied to each of the shells to get all of the advantages required and at the same time these quantities will not be exceeded to an extent to injure the shell to a material degree.
  • the tube when completed, being in a moist state.
  • the tube is then thoroughly dried after which it is treated on its outer surface with a water-proofing material so that the cartridges produced therefrom will not be affected by atmospheric conditions to an extent to change their size or characteristics.
  • This water-proofing material need not be confined to any particular composition, but we have found that a water-proofing material comprising the characteristics of the cellulose mixtures will produce satisfactory results.
  • the finished cartridge shall be colored and when such a cartridge is to be produced, the desired coloring matter may be incorporated in the water-proofing material and treated therewith, this waterproofing material effectually preventing the colors from being injuriously affected in the handling of the tubes or shells.
  • the tubes are thus treated with the water-proofing material, with or without color, they are dipped in a bath of paraffin, having such characteristics that a very thin coating will be applied to the tubes, in fact just enough of the paraffin being applied to provide the qualities required on the inner surface of the shell.
  • the outer surface of the shell being treated With the water-proofing material, the paraflin Will not penetrate the paper composing this surface of the shell.
  • the water-proofing material when mixed with color, also now effects another purpose, and that is, it prevents the color from running under the influence of the hot moist paraflin.

Description

EDWARD C. BELL AND RAYMOND S. CASE, OF UNIONVILLE, CONNECTICUT.
PROCESS OF MAKING CARTRIDGE-SHELLS.
No Drawing.
To all whom it may concern Be it known that we, Enwann C. BELL and RAYMOND S. Cass, each a citizen of the United States, residing at Unionville, in the county of Hartford and State of Connecticut, have invented a new and Improved Process of Making Cartridge-Shells, of which the following is a specification.
Our invention relates to the process above set out, and an object of our invention, among others, is to provide a process by means of which cartridge shells of a superior quality may be produced in a particularly eflieient manner.
In the making of paper 'shclls more particularly used to contain a charge of powder,
with or without other material, a tube is generally formed and is then cut up into proper lengths to provide the shells, these short lengths being supplied with the caps and other devices forming the complete shell.
It is desirable that the inner surface of the shells shall be coated with a material, as paraiiin, which is of particular advantage in that it prevents the inner surface of the shell from being scorched or burned when the powder is ignited, This paraflin may be applied in the simplest manner, by dipping the shells. in baths of melted paraflin, thus treating the outside as Well as the inside of the shell. It is also essential that the outside of the shell shall be treated with a Water-proof coating in order that it Will not be delrilnentally affected by changes in atmospheric conditions. It is advisable to apply paratlin to the surface of the paper comprising the tube in as small quantities as possible for the reason that the paraffin injures the fibers of the paper to an extent to weaken the shell to a certain degree, and while the advantages of the paraflin are such as to requireaits use on the inner surface of the tube we have provided means whereby just a sullicient quantity may be applied to each of the shells to get all of the advantages required and at the same time these quantities will not be exceeded to an extent to injure the shell to a material degree.
In carrying out our process a tube is prepared as by rolling up a strip of paper into Specification o'fIetters'Patent.
Patented Jan. 25, rare.
Application filed August 15, 1914. Serial No. 856,978.
several plies and treated with an adhesive, the tube, when completed, being in a moist state. vThe tube is then thoroughly dried after which it is treated on its outer surface with a water-proofing material so that the cartridges produced therefrom will not be affected by atmospheric conditions to an extent to change their size or characteristics. This water-proofing material need not be confined to any particular composition, but we have found that a water-proofing material comprising the characteristics of the cellulose mixtures will produce satisfactory results. In many instances it is desired that the finished cartridge shall be colored and when such a cartridge is to be produced, the desired coloring matter may be incorporated in the water-proofing material and treated therewith, this waterproofing material effectually preventing the colors from being injuriously affected in the handling of the tubes or shells. After the tubes are thus treated with the water-proofing material, with or without color, they are dipped in a bath of paraffin, having such characteristics that a very thin coating will be applied to the tubes, in fact just enough of the paraffin being applied to provide the qualities required on the inner surface of the shell. The outer surface of the shell being treated With the water-proofing material, the paraflin Will not penetrate the paper composing this surface of the shell. The water-proofing material, when mixed with color, also now effects another purpose, and that is, it prevents the color from running under the influence of the hot moist paraflin.
We claim 1. The process of making a cartridge tube that consists in forming the tube from paper by rolling several plies one upon another, drying out the tube, then treating the completed tube with a water-proofing material, and then treating both its outer and inner surfaces to a coating of paraffin.
2. The process of making a cartridge tube that consists in forming the tube from the proper material by rolling several plies one upon another, then drying out the tube, then treating the completed tube to a waterproofingmaterial with color ng matter forming a part thereof, and then treating both water-proofing material, and then treating the outer and inner suriaees of said tube to the Wh le tube to a coating ofgaraflin. a thin coating ofparaflin. p EDWARD BELL. S
3. The process of making a cartridge tube I RAYMOND S. CASE. 3 that consists in' forming the tube byrolling Witnesses: several plies of paper one upon another, RoB'r. GILLESPIE,
then treating the outside of the tube with a ALMA OLSEN.
US85697814A 1914-08-15 1914-08-15 Process of making cartridge-shells. Expired - Lifetime US1169378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US85697814A US1169378A (en) 1914-08-15 1914-08-15 Process of making cartridge-shells.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85697814A US1169378A (en) 1914-08-15 1914-08-15 Process of making cartridge-shells.

Publications (1)

Publication Number Publication Date
US1169378A true US1169378A (en) 1916-01-25

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US85697814A Expired - Lifetime US1169378A (en) 1914-08-15 1914-08-15 Process of making cartridge-shells.

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