US185576A - Improvement in seats and backs for chairs - Google Patents

Improvement in seats and backs for chairs Download PDF

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US185576A
US185576A US185576DA US185576A US 185576 A US185576 A US 185576A US 185576D A US185576D A US 185576DA US 185576 A US185576 A US 185576A
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chairs
seats
backs
improvement
plass
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds

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  • the object of my improvement is a seat or back for chairs, lounges, &c., of greater strength, durability,. and rigidity,. and less liable to be injuriously att'ected by the atmosphere than those of the ordinary character.
  • Hcretofore veneers, coated paper, metal, and other materials have been employed as substitutes for cane and leather in the manufacture of seats and backs for chairs, 860., but to a greater or less degree have failed to meet the requirements of a practical article.
  • the paper apart from the expense of treating it, does not possess the requisite strength and durability; metal is expensive and must be covered; veneers are liable to crack and splinter, and can only be employed when several layers or sheets are combined.
  • My improved seat which is liable to none of these objections, consists of vegetable fiber formed into a sheet, which is tough, elastic, light in weight, flexible, yet possessing the requisite stifl'ness, extremely durable, and of any required color.
  • the sheet ismadefrom the pulp by treating the 1atter,jti's has heretofore been commonly done, with a solution of chloride of zinc, tin, calcium, &c., separating the pulp from the liquor, consolidating, and drying slowly. Suitable coloring matter may be added, and the pulp, after treating with the chloride, may be washed in alkalinewater, and a gum solution may be added to impart hardness. in some instances the material may be embossed while soft, so as to present an ornamental surface.
  • the degree of hardness is determined by the Strength of the materials used, and varies according to the situations in which the articles are to be used, being harder for car-seats and garden-seats than for chair-seats, lounge-backs, &c.
  • the material thus prepared is termed vulcanized fiber, and may be used in sheets or strips, solid or perforated, and applied to either the bottoms or backs of chairs, lounges, and other furniture.
  • My invention relates only to the improvement of chair-seats, backs, &c., and consists in the application of the material herein named, in the manner set forth.

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  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Paper (AREA)

Description

t R. H. PLASS.
SEATS AND BACKS FOR CHAIRS, &c.
No. 185,576. Patented Dec.19, 1876.
O O O O 0 Q G O O O O 9 O 0 0 G O 0 O O O O O O O O O O O O O 0 0 0 0 0 0 O 0 Q 0 0 O O Xnuentor. fittest fl/b fl m/ a flw flw 1 m New York, city and county of New York, have REUBEN H. PLASS, OF NEW YORK, N.
Y., ASSIGNOR OF ONE-THIRD OF HIS RIGHT TO 0. E. L. HOLMES, OF SAME PLACE.
IMPROVEMENT IN SEATS AND BACKS FQR CHAIRS, &c.
Specification forming part of Letters Patent No. lS5.576-, dated December 19, 1876; application filed November 7, 1876.
To all whom it may concern:
Be it known that I, REUBEN H. PLASS, of
invented an Improved Seat and Back for Chairs, &c., of which the following is the specification The object of my improvement is a seat or back for chairs, lounges, &c., of greater strength, durability,. and rigidity,. and less liable to be injuriously att'ected by the atmosphere than those of the ordinary character.
Hcretofore veneers, coated paper, metal, and other materials have been employed as substitutes for cane and leather in the manufacture of seats and backs for chairs, 860., but to a greater or less degree have failed to meet the requirements of a practical article. The paper, apart from the expense of treating it, does not possess the requisite strength and durability; metal is expensive and must be covered; veneers are liable to crack and splinter, and can only be employed when several layers or sheets are combined.
My improved seat, which is liable to none of these objections, consists of vegetable fiber formed into a sheet, which is tough, elastic, light in weight, flexible, yet possessing the requisite stifl'ness, extremely durable, and of any required color. The sheet ismadefrom the pulp by treating the 1atter,jti's has heretofore been commonly done, with a solution of chloride of zinc, tin, calcium, &c., separating the pulp from the liquor, consolidating, and drying slowly. Suitable coloring matter may be added, and the pulp, after treating with the chloride, may be washed in alkalinewater, and a gum solution may be added to impart hardness. in some instances the material may be embossed while soft, so as to present an ornamental surface. The degree of hardness is determined by the Strength of the materials used, and varies according to the situations in which the articles are to be used, being harder for car-seats and garden-seats than for chair-seats, lounge-backs, &c. The material thus prepared is termed vulcanized fiber, and may be used in sheets or strips, solid or perforated, and applied to either the bottoms or backs of chairs, lounges, and other furniture.
I do not claim vulcanizediiber, as that is not my invention. My invention relates only to the improvement of chair-seats, backs, &c., and consists in the application of the material herein named, in the manner set forth.
I claim as a new manufacture-- A seat or back for chairs, lounges, &c., consisting, in whole or in part, of vulcanized tiberthat is, vegetable fiber prepared by treating it with chloride of zinc, or its equivalent, consolidating and drying, as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
REUBEN H. PLASS. Witnesses:
JOHN WATSON, MICHAEL DILLON.
US185576D Improvement in seats and backs for chairs Expired - Lifetime US185576A (en)

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