FR1023351A - Improvements to screwdrivers and their manufacturing processes - Google Patents

Improvements to screwdrivers and their manufacturing processes

Info

Publication number
FR1023351A
FR1023351A FR1023351DA FR1023351A FR 1023351 A FR1023351 A FR 1023351A FR 1023351D A FR1023351D A FR 1023351DA FR 1023351 A FR1023351 A FR 1023351A
Authority
FR
France
Prior art keywords
screwdrivers
manufacturing processes
processes
manufacturing
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.)
Guest Keen & Nettle Folds (midlands) Ltd
Original Assignee
Guest Keen & Nettle Folds (midlands) Ltd
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 Guest Keen & Nettle Folds (midlands) Ltd filed Critical Guest Keen & Nettle Folds (midlands) Ltd
Application granted granted Critical
Publication of FR1023351A publication Critical patent/FR1023351A/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
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
FR1023351D 1950-07-13 1950-07-13 Improvements to screwdrivers and their manufacturing processes Expired FR1023351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1023351T 1950-07-13

Publications (1)

Publication Number Publication Date
FR1023351A true FR1023351A (en) 1953-03-18

Family

ID=9578235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1023351D Expired FR1023351A (en) 1950-07-13 1950-07-13 Improvements to screwdrivers and their manufacturing processes

Country Status (1)

Country Link
FR (1) FR1023351A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469250A1 (en) * 1979-11-12 1981-05-22 Defougeres Pierre Tapered cruciform bit for screw-driver - has identical tapered wings at ninety degree intervals and is in one pressed piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469250A1 (en) * 1979-11-12 1981-05-22 Defougeres Pierre Tapered cruciform bit for screw-driver - has identical tapered wings at ninety degree intervals and is in one pressed piece

Similar Documents

Publication Publication Date Title
FR1023351A (en) Improvements to screwdrivers and their manufacturing processes
FR1056210A (en) Improvements to selenium rectifiers and their manufacturing processes
FR939885A (en) Improvements to fertilizers and their manufacturing processes
FR1043923A (en) Improvements made to anchor nuts and their manufacturing processes
FR1040911A (en) Improvement in the manufacture of phospho-nitrogen fertilizers
FR969643A (en) Improvements to tools and their manufacturing processes
FR1035718A (en) Improvements to electric cookers and their manufacturing processes
FR1045820A (en) Improvements to shoes and their manufacturing processes
FR1030636A (en) Improvements to pigmented compositions and their manufacturing processes
FR1054239A (en) Improvements to sheet articles and their manufacturing processes
FR1068746A (en) Improvements to belts and their manufacturing processes
FR1031992A (en) Further training in fertilizer manufacturing
FR1041444A (en) Improvements in the manufacture of phosphate fertilizers
FR983342A (en) Improvements to capacitors and their manufacturing processes
FR1048240A (en) Improvements to chlorobenzene manufacturing processes
FR1066834A (en) Improvements in luminescent materials and their preparation processes
FR1061790A (en) Improvements made to organic salt complexes and their manufacturing processes
FR926724A (en) Improvements to dynamo-electric machines and their manufacturing processes
FR1006850A (en) Improvements to pipes and their manufacturing processes
FR983876A (en) Sanding tools and their manufacturing processes
FR1029011A (en) Organo-polysiloxanes and their manufacturing processes
FR931277A (en) Improvements to cutting tools and their manufacturing processes
FR997834A (en) Improvement in brushes and their manufacturing processes
FR1046631A (en) Synthetic resins and their manufacturing processes
FR1067806A (en) Improvements in chemical manufacturing processes