GB458343A - Hand-drill - Google Patents

Hand-drill

Info

Publication number
GB458343A
GB458343A GB11232/36A GB1123236A GB458343A GB 458343 A GB458343 A GB 458343A GB 11232/36 A GB11232/36 A GB 11232/36A GB 1123236 A GB1123236 A GB 1123236A GB 458343 A GB458343 A GB 458343A
Authority
GB
United Kingdom
Prior art keywords
drill
thread
hand
twist
schmiedt
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
GB11232/36A
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.)
RUDOLF HERRMANN MOELLER
Original Assignee
RUDOLF HERRMANN MOELLER
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
Priority to BE415299D priority Critical patent/BE415299A/xx
Priority to DEH140641D priority patent/DE642010C/en
Priority claimed from DEH140641D external-priority patent/DE642010C/en
Priority to US51991A priority patent/US2114668A/en
Application filed by RUDOLF HERRMANN MOELLER filed Critical RUDOLF HERRMANN MOELLER
Priority to GB11232/36A priority patent/GB458343A/en
Priority to FR805525D priority patent/FR805525A/en
Publication of GB458343A publication Critical patent/GB458343A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G15/00—Boring or turning tools; Augers

Abstract

458,343. Gimlets. MOLLER, R. HERRMANN-, 4, Otto Schmiedt Strasse, Leipsic, Germany. April 20, 1936, No. 11232. [Class 83 (iii)] A gimlet or like hand-drill has twc or more pointed ends 4, 5, which continue rearwardly in the form of spirals of small pitch and merge into a single-thread twist 6 of gradually increasing twist so that the drill has a double or multiple thread at its front portion and a single thread at its rear portion.
GB11232/36A 1934-07-10 1936-04-20 Hand-drill Expired GB458343A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE415299D BE415299A (en) 1934-07-10
DEH140641D DE642010C (en) 1934-07-10 1934-07-11 Hand drill
US51991A US2114668A (en) 1934-07-10 1935-11-29 Hand drill
GB11232/36A GB458343A (en) 1934-07-11 1936-04-20 Hand-drill
FR805525D FR805525A (en) 1934-07-11 1936-04-28 Hand drill

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH140641D DE642010C (en) 1934-07-10 1934-07-11 Hand drill
GB11232/36A GB458343A (en) 1934-07-11 1936-04-20 Hand-drill

Publications (1)

Publication Number Publication Date
GB458343A true GB458343A (en) 1936-12-17

Family

ID=25981032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11232/36A Expired GB458343A (en) 1934-07-10 1936-04-20 Hand-drill

Country Status (2)

Country Link
FR (1) FR805525A (en)
GB (1) GB458343A (en)

Also Published As

Publication number Publication date
FR805525A (en) 1936-11-21

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