GB104846A - An Improved Screw Tapping Device. - Google Patents

An Improved Screw Tapping Device.

Info

Publication number
GB104846A
GB104846A GB1707316A GB1707316A GB104846A GB 104846 A GB104846 A GB 104846A GB 1707316 A GB1707316 A GB 1707316A GB 1707316 A GB1707316 A GB 1707316A GB 104846 A GB104846 A GB 104846A
Authority
GB
United Kingdom
Prior art keywords
tapping device
improved screw
screw tapping
core
projectng
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
GB1707316A
Inventor
William Mark Gurry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1707316A priority Critical patent/GB104846A/en
Publication of GB104846A publication Critical patent/GB104846A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00Thread-cutting tools; Die-heads
    • B23G5/08Thread-cutting tools; Die-heads with means for adjustment
    • B23G5/14Tapping-heads

Abstract

104,846. Gurry, W. M. Nov. 28, 1916. Taps of the collapsing type for utting taper threads have the chasers expanded, as limited by flanges 5, by flats on a wedge core 8 controlled by a sleeve 10 confined between collars on the )ody and provided with a camgroove engaging a pin 15 projectng from the core through a slot n the body.
GB1707316A 1916-11-28 1916-11-28 An Improved Screw Tapping Device. Expired GB104846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1707316A GB104846A (en) 1916-11-28 1916-11-28 An Improved Screw Tapping Device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1707316A GB104846A (en) 1916-11-28 1916-11-28 An Improved Screw Tapping Device.

Publications (1)

Publication Number Publication Date
GB104846A true GB104846A (en) 1917-03-22

Family

ID=32250052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1707316A Expired GB104846A (en) 1916-11-28 1916-11-28 An Improved Screw Tapping Device.

Country Status (1)

Country Link
GB (1) GB104846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661028A (en) * 1986-02-20 1987-04-28 Sanger Leon A Reverse cutting expansion tap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661028A (en) * 1986-02-20 1987-04-28 Sanger Leon A Reverse cutting expansion tap

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