FR500220A - Improvements in machines for automatically threading wood screws - Google Patents

Improvements in machines for automatically threading wood screws

Info

Publication number
FR500220A
FR500220A FR500220DA FR500220A FR 500220 A FR500220 A FR 500220A FR 500220D A FR500220D A FR 500220DA FR 500220 A FR500220 A FR 500220A
Authority
FR
France
Prior art keywords
machines
wood screws
automatically threading
threading wood
automatically
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gillier Levin & Boitel
Original Assignee
Gillier Levin & Boitel
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 by Gillier Levin & Boitel filed Critical Gillier Levin & Boitel
Application granted granted Critical
Publication of FR500220A publication Critical patent/FR500220A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
    • B23G1/04—Machines with one working-spindle
    • B23G1/06—Machines with one working-spindle specially adapted for making conical screws, e.g. wood-screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR500220D 1918-11-19 1918-11-19 Improvements in machines for automatically threading wood screws Expired FR500220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR500220T 1918-11-19

Publications (1)

Publication Number Publication Date
FR500220A true FR500220A (en) 1920-03-05

Family

ID=1535131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR500220D Expired FR500220A (en) 1918-11-19 1918-11-19 Improvements in machines for automatically threading wood screws

Country Status (1)

Country Link
FR (1) FR500220A (en)

Similar Documents

Publication Publication Date Title
FR500220A (en) Improvements in machines for automatically threading wood screws
FR817897A (en) Wood screws
FR501178A (en) Pliers for wood screw threading machines
FR514989A (en) Wood chopping machine
FR494297A (en) Improvements to woodturning machines
FR501516A (en) Woodworking machine
FR501483A (en) Conveyor device for wood screw threading machines
FR494108A (en) Automatic screw threading machine
FR495080A (en) Advanced automatic bar turning machine
FR491629A (en) Knurl cutting machine
FR499046A (en) Woodworking machine
FR515596A (en) Improvements in calculating machines
FR501253A (en) Improvements in calculating machines
FR515942A (en) Blade holders for woodworking machines
FR494387A (en) Improvements to slicing machines
FR501432A (en) Improvements to automatic bar turning machines
FR492289A (en) Improvements to automatic multi-spindle machines making screws
FR511700A (en) Wood Screw Threading Machine
FR489313A (en) Plowing machine
FR489827A (en) Milling machine
FR510837A (en) Woodworking machine
FR833051A (en) Wood gasifier
FR515111A (en) Threading machine
FR509312A (en) Screw milling machine
CH93623A (en) Automatic screw making machine.