FR570504A - Improvements to tightening keys - Google Patents

Improvements to tightening keys

Info

Publication number
FR570504A
FR570504A FR570504DA FR570504A FR 570504 A FR570504 A FR 570504A FR 570504D A FR570504D A FR 570504DA FR 570504 A FR570504 A FR 570504A
Authority
FR
France
Prior art keywords
tightening keys
tightening
keys
Prior art date
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
Application number
Other languages
French (fr)
Inventor
Frank Casper Hacheney
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR570504A publication Critical patent/FR570504A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
    • B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
    • B25B13/505—Pivotally moving or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR570504D 1923-09-03 1923-09-03 Improvements to tightening keys Expired FR570504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR570504T 1923-09-03

Publications (1)

Publication Number Publication Date
FR570504A true FR570504A (en) 1924-05-02

Family

ID=8949930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570504D Expired FR570504A (en) 1923-09-03 1923-09-03 Improvements to tightening keys

Country Status (1)

Country Link
FR (1) FR570504A (en)

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