GB635736A - Improvements in or relating to tapping tools - Google Patents

Improvements in or relating to tapping tools

Info

Publication number
GB635736A
GB635736A GB23918/47A GB2391847A GB635736A GB 635736 A GB635736 A GB 635736A GB 23918/47 A GB23918/47 A GB 23918/47A GB 2391847 A GB2391847 A GB 2391847A GB 635736 A GB635736 A GB 635736A
Authority
GB
United Kingdom
Prior art keywords
tap
recess
aug
taps
collet
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
GB23918/47A
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.)
PLAN O MILL CORP
Original Assignee
PLAN O MILL CORP
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 PLAN O MILL CORP filed Critical PLAN O MILL CORP
Publication of GB635736A publication Critical patent/GB635736A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/12—Adapters for drills or chucks; Tapered sleeves
    • B23B51/123—Conical reduction sleeves

Abstract

635,736. Chucks ; taps. PLAN-O-MILL CORPORATION. Aug. 29, 1947, No. 23918. Convention date, Aug. 30, 1946. [Classes 83 (ii) and 83 (iii)] Making taps.-A tapping-tool comprises a longitudinally-split and tapered collet 18, a fluted tap 10, which has a central portion of uniform diameter and is located in a cylindrical recess 20 in the collet with one end abutting a stop and only its thread crests engaging the sides of the recess, and a driving key 24 extending laterally into said recess to less than the depth of a flute 14 of the tap. The tap may be threaded along its entire length and be formed by centreless grinding threads on a long bar of hardened steel stock, after which the bar is cut off into suitable lengths by an abrasive operation and the flutes then formed by grinding..
GB23918/47A 1946-08-30 1947-08-29 Improvements in or relating to tapping tools Expired GB635736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US635736XA 1946-08-30 1946-08-30

Publications (1)

Publication Number Publication Date
GB635736A true GB635736A (en) 1950-04-12

Family

ID=22050101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23918/47A Expired GB635736A (en) 1946-08-30 1947-08-29 Improvements in or relating to tapping tools

Country Status (1)

Country Link
GB (1) GB635736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802015A (en) * 1972-01-10 1974-04-09 Res Eng Mfg Inc Tap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802015A (en) * 1972-01-10 1974-04-09 Res Eng Mfg Inc Tap

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