US1619924A - Rail filler - Google Patents

Rail filler Download PDF

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Publication number
US1619924A
US1619924A US75151A US7515125A US1619924A US 1619924 A US1619924 A US 1619924A US 75151 A US75151 A US 75151A US 7515125 A US7515125 A US 7515125A US 1619924 A US1619924 A US 1619924A
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United States
Prior art keywords
rail
filler
ground corn
bituminous
rail filler
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Expired - Lifetime
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US75151A
Inventor
Albert C Fischer
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Individual
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Individual
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Priority to US75151A priority Critical patent/US1619924A/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch

Definitions

  • My invention relates to an economical product produced from ground corn cobs mixed with a binding material.
  • Said binding material may be composed of bituminous material or a bituminous material having in termingled therewith divided fibrousmaterial for reinforcing the same.
  • bituminous material is prepared ina heated state in suitable mixing devices, known to the art, and adding thereto the ground corn cobsand finely divided reinforcing fibre, or the bituminous material may have incorporated therein finely divided fibrous material reduced to a heated state and then having mixed therein ground corn'cobs.
  • a suitable formula for said mixture would consist of thirty-five (35 per cent ground corn cobs, fifty material and fifteen (15) per cent finely divided fibrous material.
  • the principal ingredient and filler consists of ground corn cobs and bituminous mate rial, the ground corn cob preserving its in sulating value throughout the mixture, that (50) per cent bituminous- .12, 1925. Serial No. 75,151.
  • the soft pithy corncob fibre material ly aids the bituminous material in deadening sound by insulating the rails from the hard roadbed, the other fibrous material .act-
  • This mixture depends upon the contour of the rail, but the form is that of the form of the contour of the rail on one side and a straight, vertical face on the opposite side.
  • This rail joint is provided in three to five foot lengths, andvaries from one to three inches in thickness.
  • My invention is not limited to the shape or dimension, but is sutficiently broad to cover any form of material which ,may be used as a sound insulator, and which can also be used as an expansion joint.
  • a rail filler of the class described comprising a preformed block-like member comprising a homogeneous mixture of bituminous material and ground corn cob.
  • a rail filler of the class described comprising a preformed block-like member comprising a homogeneous mixture of bituminous material, ground corn cob and strengthening fibres.

Description

Patented Mar. 8, 1927.
ALBERT C. FISCHER,
PATENT OFFICE.
OF CHICAGO, ILLINOIS.
RAIL FILLER.
m Drawing. Application filed December With the growth of large cities the importance of providing expansion and con-' traction and sound deadening of the rails of surface car lines is becoming more essential. It is necessary that the product formed as a filling means for the rails be economical and at the same time have insulatingvalue as well as functioning as an expansion joint. My invention relates to an economical product produced from ground corn cobs mixed with a binding material. Said binding material may be composed of bituminous material or a bituminous material having in termingled therewith divided fibrousmaterial for reinforcing the same. The bituminous material is prepared ina heated state in suitable mixing devices, known to the art, and adding thereto the ground corn cobsand finely divided reinforcing fibre, or the bituminous material may have incorporated therein finely divided fibrous material reduced to a heated state and then having mixed therein ground corn'cobs.
A suitable formula for said mixture would consist of thirty-five (35 per cent ground corn cobs, fifty material and fifteen (15) per cent finely divided fibrous material.
It may readily be understood that these proportions can be modified and that the formula need not necessarily be committed to any particular typeof fibrous material. The principal ingredient and filler. consists of ground corn cobs and bituminous mate rial, the ground corn cob preserving its in sulating value throughout the mixture, that (50) per cent bituminous- .12, 1925. Serial No. 75,151.
, is to say the soft pithy corncob fibre materially aids the bituminous material in deadening sound by insulating the rails from the hard roadbed, the other fibrous material .act-
ing to strengthen the composition. \Vhen moulded to form or pressed into shape the filler is readily adapted to be inserted in the rail, where it acts as anexpansion joint and deadens the sound of the passing traffic.
The shape of this mixture depends upon the contour of the rail, but the form is that of the form of the contour of the rail on one side and a straight, vertical face on the opposite side.
This rail joint is provided in three to five foot lengths, andvaries from one to three inches in thickness.
My invention is not limited to the shape or dimension, but is sutficiently broad to cover any form of material which ,may be used as a sound insulator, and which can also be used as an expansion joint.
I claim:
1. A rail filler of the class described, comprising a preformed block-like member comprising a homogeneous mixture of bituminous material and ground corn cob.
3. A rail filler of the class described, comprising a preformed block-like member comprising a homogeneous mixture of bituminous material, ground corn cob and strengthening fibres. i
Signed at Chicago of l)ec., A. D. 1925.
, Illinois, this 10th day ALBERT C. FISCHER.
US75151A 1925-12-12 1925-12-12 Rail filler Expired - Lifetime US1619924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US75151A US1619924A (en) 1925-12-12 1925-12-12 Rail filler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75151A US1619924A (en) 1925-12-12 1925-12-12 Rail filler

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US1619924A true US1619924A (en) 1927-03-08

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US75151A Expired - Lifetime US1619924A (en) 1925-12-12 1925-12-12 Rail filler

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