US198886A - Improvement in stove-pipe expanders and contractors - Google Patents

Improvement in stove-pipe expanders and contractors Download PDF

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Publication number
US198886A
US198886A US198886DA US198886A US 198886 A US198886 A US 198886A US 198886D A US198886D A US 198886DA US 198886 A US198886 A US 198886A
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Prior art keywords
stove
pipe
contractors
improvement
contracting
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/06—Removing local distortions

Definitions

  • My invention relates to expanding and contracting stove-pipes; and it consists in a hollow truncated cone, one end of which is used for expanding and the other end for contracting stove-pipes, as will be hereinafter more fully set forth.
  • Figure 1 of the drawings is a perspective view of my stove-pipe expanding and contracting device.
  • Fig. 2 is a sectional view of the same, showing its application for contracting one end of a stove-pipe.
  • Fig. 3 is an external view of the same, showing its application for expanding the end of a stove-pipe.
  • A represents a hollow truncated cone, of any suitable dimensions, and made of sheet metal or other material that will an were the purpose for which it is intended.
  • This device is used for expanding and contracting the ends of stove-pipes in the follow ing manner:
  • the smaller end of the cone is inserted in the end of the stove-pipe, and forced into the same, whereby, of course, the stovepipe may be more or less expanded at that point, as re'quired.
  • For contracting the end of the stove-pipe it is inserted in the larger end of the cone, and the cone forced over the same, which contracts the pipe sufficiently to fit in another pipe.
  • the invention is simple, cheap, and admirably adapted to be used in putting up stovepipe where the sections of pipe do not fit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Description

H. IMHOP. Stove-Pipe Expander and Uontraotor.
No.198,'8 86. Patented Jan. 1,1878.
M. PETERS, FHDTO-LITHDGRAPHER. WA5HINGTON. D c.
UNITED STATES PATENT ()FFIGE.
HENRY IMHOF, or LOOKPORT, NEW YORK.
IMPROVEMENT IN STOVE-PIPE EXPANDERS AND CONTRACTORS.
Specification forming part of Letters Patent No. 198,886, dated January 1, 1878 application filed November 17, 1877.
struction and operation of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters and figures of reference marked thereon.
My invention relates to expanding and contracting stove-pipes; and it consists in a hollow truncated cone, one end of which is used for expanding and the other end for contracting stove-pipes, as will be hereinafter more fully set forth. a
The annexed drawing, to which reference is made, fully illustrates my invention.
Figure 1 of the drawings is a perspective view of my stove-pipe expanding and contracting device. Fig. 2 is a sectional view of the same, showing its application for contracting one end of a stove-pipe. Fig. 3 is an external view of the same, showing its application for expanding the end of a stove-pipe.
A represents a hollow truncated cone, of any suitable dimensions, and made of sheet metal or other material that will an wer the purpose for which it is intended.
This device is used for expanding and contracting the ends of stove-pipes in the follow ing manner: The smaller end of the cone is inserted in the end of the stove-pipe, and forced into the same, whereby, of course, the stovepipe may be more or less expanded at that point, as re'quired. For contracting the end of the stove-pipe it is inserted in the larger end of the cone, and the cone forced over the same, which contracts the pipe sufficiently to fit in another pipe.
It is evident that if the implement were not truncated it would be adapted for use in the same manner.
The invention is simple, cheap, and admirably adapted to be used in putting up stovepipe where the sections of pipe do not fit.
What I claim as new, and desire to secure by Letters Patent, isa A conical implement, A, for the purpose of contracting and expanding the ends of stovepipes, substantially in the manner as hereinbefore set forth.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.
HENRY IMHOF. Witnesses:
DANL. WILLARD, REUBEN OARRoLL'.
US198886D Improvement in stove-pipe expanders and contractors Expired - Lifetime US198886A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455585A (en) * 1946-08-12 1948-12-07 Lawrence A Gauss Device for truning and sharpening dough cutters
US2621701A (en) * 1949-07-22 1952-12-16 Alexander W Galbraith Method of producing threaded tube ends
US2750026A (en) * 1950-05-29 1956-06-12 Nat Cylinder Gas Co Apparatus for producing reducing elbows

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455585A (en) * 1946-08-12 1948-12-07 Lawrence A Gauss Device for truning and sharpening dough cutters
US2621701A (en) * 1949-07-22 1952-12-16 Alexander W Galbraith Method of producing threaded tube ends
US2750026A (en) * 1950-05-29 1956-06-12 Nat Cylinder Gas Co Apparatus for producing reducing elbows

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