GB191515820A - Improvements in Screw Cutting Taps. - Google Patents

Improvements in Screw Cutting Taps.

Info

Publication number
GB191515820A
GB191515820A GB191515820DA GB191515820A GB 191515820 A GB191515820 A GB 191515820A GB 191515820D A GB191515820D A GB 191515820DA GB 191515820 A GB191515820 A GB 191515820A
Authority
GB
United Kingdom
Prior art keywords
teeth
screw cutting
cutting taps
lands
tap
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
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.)
ALFRED HENRY BATES
COVENTRY ORDNANCE WORKS Ltd
Original Assignee
ALFRED HENRY BATES
COVENTRY ORDNANCE WORKS 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 ALFRED HENRY BATES, COVENTRY ORDNANCE WORKS Ltd filed Critical ALFRED HENRY BATES
Publication of GB191515820A publication Critical patent/GB191515820A/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
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
    • B23G5/06—Taps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

15,820. Coventry Ordnance Works, and Bates, A. H. Nov. 9. Tap.-The lands of a tap are odd in number and have the full number of teeth at each end, but alternate teeth on the central portion of the lands are so removed that teeth and spaces follow on the helix alternately. The tops of the teeth b<3>, at the leading end, are removed.
GB191515820D 1915-11-09 1915-11-09 Improvements in Screw Cutting Taps. Expired GB191515820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191515820T 1915-11-09

Publications (1)

Publication Number Publication Date
GB191515820A true GB191515820A (en) 1916-08-03

Family

ID=34361858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191515820D Expired GB191515820A (en) 1915-11-09 1915-11-09 Improvements in Screw Cutting Taps.

Country Status (1)

Country Link
GB (1) GB191515820A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458882A (en) * 1967-03-27 1969-08-05 Gerald W Kelly Thread-cutting device
FR2542653A1 (en) * 1983-03-14 1984-09-21 Gavelle Dominique CURVED TAP CONVEX
US20150251261A1 (en) * 2012-07-17 2015-09-10 Osg Corporation Spiral tap

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458882A (en) * 1967-03-27 1969-08-05 Gerald W Kelly Thread-cutting device
FR2542653A1 (en) * 1983-03-14 1984-09-21 Gavelle Dominique CURVED TAP CONVEX
EP0122176A2 (en) * 1983-03-14 1984-10-17 Tarauds Courcelle-Gavelle Tap with a convex flute
EP0122176A3 (en) * 1983-03-14 1985-01-23 Tarauds Courcelle-Gavelle Tap with a convex flute
US20150251261A1 (en) * 2012-07-17 2015-09-10 Osg Corporation Spiral tap

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