US1053372A - Mandrel-extractor for boiler tube or flue expanders. - Google Patents

Mandrel-extractor for boiler tube or flue expanders. Download PDF

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Publication number
US1053372A
US1053372A US67853112A US1912678531A US1053372A US 1053372 A US1053372 A US 1053372A US 67853112 A US67853112 A US 67853112A US 1912678531 A US1912678531 A US 1912678531A US 1053372 A US1053372 A US 1053372A
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United States
Prior art keywords
mandrel
extractor
expanders
flue
boiler tube
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Expired - Lifetime
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US67853112A
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John W Faessler
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Individual
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Priority to US67853112A priority Critical patent/US1053372A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53839—Puller or pusher means, contained force multiplying operator having percussion or explosive operator

Definitions

  • My invention relates to'improvements in mandrel extractors for boiler 'tubeor flue expanders, and the object of'my'invention is to construct a mandrel extractor arranged" to be fitted over the mandrel and against the expander and tobe impacted in order to remove the mandrel from the expander.
  • 1 designates the bod of my extractor having a bore 2 leading om'the blunt circular impact end to a point adjacent the opposite end of the body.
  • the tool 3 designates a boss which projects from the closed end of the body 1 and is arranged to be received by a cavity formed in the end of a tool 4.
  • the tool 4 is provided with .a shank 5 arranged to be inserted in the body portion 6 of a neumatic hammer;
  • FIG. 9 designates a sectional expander, the sections of which are arranged as usual in the form of a ring or cylinder and inserted into the end of a flue .or tube 10 in order that the end of the tube may be securelyheld in tractor 1 is placed over the mandrel as shown inthe drawing with its-circular blunt jlmpact end against all the sections of the expander and the blunt pneumatic-hammer connection 3 inengagement with the tool 4 of the pneumatic hammer.
  • the hammer is then set in operation and the extractor is "impacted,each impact tending to move sismultaneousl all of the expander sections relative-to t e mandrel and in the rebound after each impact the expander sections will find a new seat on the mandrel nearer to the end of the taper. Due to the inertia of the mandrel and thefrequenc of the impacts of a pneumatic'hammer the mandrel slips outward very rapidly relative to the expander sections, so that the operation of extracting the mandrel is accomplished with great rapidity in comparison with the present day method of loosening the mandrel by side blows delivered upon said mandrel with hand hammers.
  • a mandrel extractor for sectional boiler tube-expanders "comprising a tool constructed with a blunt circular impact surface at one end and a blunt hammering surface at its' opposite end, to be interposed between the ring of sections of said tubeexpander and a hammer, to simultaneously dr1ve upon all thesections of said expander and by the inertia of the mandrel loosen the same.
  • a mandrel extractor for sectional boiler tube-expanders comprisin a tool construct-- expander and a hammer, and to receive blows from sald hammer and simultaneously impart the same to all the sections of said expander and thereby extract the mandrel.

Description

J. W. FABSSLER. MANDBEL EXTRAGTOR FOR BOILER TUBE OR FLUE EXPANDERS.
APPLIOATION FILED FEB.19, 1912.
1,053,372. Patented Feb. 18, 1913.
lllfllllll MINI LVVENTOR;
ATTORNEYLS'.
com; w. ranssnna, or monnzamr, mssomu.
nannaannxraacroa on nortna 'ruan on FLUE nxrmnns.
Sheet notation 0! Letters Patent.
Patented Feb. 18, 191?.
"Application aiedretruar 15,1912. Serial r... 878,581.
To all wkomit mag concern: Be it known that I, JOHN W. 'Fan ssnaa,- a-citizen of the United States,'- and resident of Moberly, Randolph county, Missouri, have invented certain new and useful Im rovements in Mandrel-Extractors i for oiler Tube or Flue Expanders, of whichv the following is a specification containinga full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof. I
My invention relates to'improvements in mandrel extractors for boiler 'tubeor flue expanders, and the object of'my'invention is to construct a mandrel extractor arranged" to be fitted over the mandrel and against the expander and tobe impacted in order to remove the mandrel from the expander.
With the above purposes in view my invention consists in certain novel features of construction and arrangement of parts as will be hereinafter more fully described, pointed out in the claims and illustrated by the accompanying drawing,,in which the figure represents in elevationan expander and a mandrel therefor, and m improved extractor partly in section "em racing the mandrel and in engagement with the expander in a osition to extract the mandrel.
Referring 'y numerals to the'accompanying drawing: 1 designates the bod of my extractor having a bore 2 leading om'the blunt circular impact end to a point adjacent the opposite end of the body.
3 designates a boss which projects from the closed end of the body 1 and is arranged to be received by a cavity formed in the end of a tool 4. The tool 4 is provided with .a shank 5 arranged to be inserted in the body portion 6 of a neumatic hammer;
7 designates a man rel having a tapering end 8 which is polygonal in cross section.
9 designates a sectional expander, the sections of which are arranged as usual in the form of a ring or cylinder and inserted into the end of a flue .or tube 10 in order that the end of the tube may be securelyheld in tractor 1 is placed over the mandrel as shown inthe drawing with its-circular blunt jlmpact end against all the sections of the expander and the blunt pneumatic-hammer connection 3 inengagement with the tool 4 of the pneumatic hammer. The hammer is then set in operation and the extractor is "impacted,each impact tending to move sismultaneousl all of the expander sections relative-to t e mandrel and in the rebound after each impact the expander sections will find a new seat on the mandrel nearer to the end of the taper. Due to the inertia of the mandrel and thefrequenc of the impacts of a pneumatic'hammer the mandrel slips outward very rapidly relative to the expander sections, so that the operation of extracting the mandrel is accomplished with great rapidity in comparison with the present day method of loosening the mandrel by side blows delivered upon said mandrel with hand hammers.
I claim: 1. A mandrel extractor for sectional boiler tube-expanders, "comprising a tool constructed with a blunt circular impact surface at one end and a blunt hammering surface at its' opposite end, to be interposed between the ring of sections of said tubeexpander and a hammer, to simultaneously dr1ve upon all thesections of said expander and by the inertia of the mandrel loosen the same.
2. A mandrel extractor for sectional boiler tube-expanders, comprisin a tool construct-- expander and a hammer, and to receive blows from sald hammer and simultaneously impart the same to all the sections of said expander and thereby extract the mandrel.
. In testimony whereof, I have signed my 7 name to this specification, in presence of two subscribing witnesses.
JOHN W. FAESSLER.
US67853112A 1912-02-19 1912-02-19 Mandrel-extractor for boiler tube or flue expanders. Expired - Lifetime US1053372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US67853112A US1053372A (en) 1912-02-19 1912-02-19 Mandrel-extractor for boiler tube or flue expanders.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67853112A US1053372A (en) 1912-02-19 1912-02-19 Mandrel-extractor for boiler tube or flue expanders.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11105481B2 (en) 2008-09-30 2021-08-31 L&L Candle Company, Llc Kinetic flame device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11105481B2 (en) 2008-09-30 2021-08-31 L&L Candle Company, Llc Kinetic flame device

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