GB336124A - An improved tap for cutting square screw threads - Google Patents

An improved tap for cutting square screw threads

Info

Publication number
GB336124A
GB336124A GB3298229A GB3298229A GB336124A GB 336124 A GB336124 A GB 336124A GB 3298229 A GB3298229 A GB 3298229A GB 3298229 A GB3298229 A GB 3298229A GB 336124 A GB336124 A GB 336124A
Authority
GB
United Kingdom
Prior art keywords
tooth
square screw
tap
screw threads
cut
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
GB3298229A
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 FR684177D priority Critical patent/FR684177A/en
Priority to GB3298229A priority patent/GB336124A/en
Priority to BE364967D priority patent/BE364967A/xx
Publication of GB336124A publication Critical patent/GB336124A/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
    • 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
    • B23G2210/00—Details of threads produced
    • B23G2210/36—Threads having a square profile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Gear Processing (AREA)

Abstract

336,124. H³bner, M. Oct. 30, 1929. Taps.-A tap serving as intermediate or finishing cutter for square screw-threads has the peripheral face a of each tooth on the tapered portion stepped as at b so that each tooth will cut the work in at least two strips of a total thickness equal to the width of the tooth. The stepped cutting teeth increase in height to the largest external diameter of the tap where the cylindrical portion has teeth c of the full thread section. Two or more steps may be provided on each tooth, depending on the size of thread being cut.
GB3298229A 1929-10-30 1929-10-30 An improved tap for cutting square screw threads Expired GB336124A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR684177D FR684177A (en) 1929-10-30 1929-10-30 Tap for flat threads
GB3298229A GB336124A (en) 1929-10-30 1929-10-30 An improved tap for cutting square screw threads
BE364967D BE364967A (en) 1929-10-30 1929-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3298229A GB336124A (en) 1929-10-30 1929-10-30 An improved tap for cutting square screw threads

Publications (1)

Publication Number Publication Date
GB336124A true GB336124A (en) 1930-10-09

Family

ID=10346894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3298229A Expired GB336124A (en) 1929-10-30 1929-10-30 An improved tap for cutting square screw threads

Country Status (3)

Country Link
BE (1) BE364967A (en)
FR (1) FR684177A (en)
GB (1) GB336124A (en)

Also Published As

Publication number Publication date
BE364967A (en) 1929-11-30
FR684177A (en) 1930-06-23

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