GB697042A - Improvements in or relating to devices for cutting threads in pipes and lengths off pipes - Google Patents

Improvements in or relating to devices for cutting threads in pipes and lengths off pipes

Info

Publication number
GB697042A
GB697042A GB1090651A GB1090651A GB697042A GB 697042 A GB697042 A GB 697042A GB 1090651 A GB1090651 A GB 1090651A GB 1090651 A GB1090651 A GB 1090651A GB 697042 A GB697042 A GB 697042A
Authority
GB
United Kingdom
Prior art keywords
pipe
cutting
adjustable
cut
cutter
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
GB1090651A
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.)
Ruhrstahl AG
Original Assignee
Ruhrstahl AG
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 DE697042X priority Critical
Application filed by Ruhrstahl AG filed Critical Ruhrstahl AG
Publication of GB697042A publication Critical patent/GB697042A/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
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/22Machines specially designed for operating on pipes or tubes

Abstract

697,042. Thread-milling. RUHRSTAHL AKT.-GES. May 9, 1951 [May 10, 1950], No. 10906/51. Class 83 (iii). [Also in Groups XXIII and XXXII] A pipe-cutting and threading device comprises an axially adjustable pipe-holder 4, Fig. 10, and a transversely adjustable slide carrying a rotary thread-milling tool 8 and a saw 9. The chuck 4 is rotated by a handwheel 5 and advanced by a cam 11 engaged by a projection 13 which can be withdrawn when the device is used for pipe-cutting. The cam 11 rotates slightly more slowly than the chuck 4 to ensure the cutting of a complete thread. Before a threading operation is commenced a stepped member 17, Fig. 5, is set to limit the movement of the cutter-slide and hence the depth of cut. Two sets of steps 18, 19 are provided to allow threads of two different pitches to be cut. A member 23 and a pin 21 therein are adjustable to compensate for cutter wear. A pipe length to be cut off is supported, during cutting, by members 27 ... 29. In a modification, the pipe is rotated during traverse by engaging either of two differently-pitched threaded members 32a, 32b, Fig. 7, by a lever 33. The cutter-spindle may be mounted for angular adjustment. The device may be supported either on a frame with carrying handles or a wheeled frame having an adjustable track, an outboard pipe support, and a towing attachment.
GB1090651A 1950-05-10 1951-05-09 Improvements in or relating to devices for cutting threads in pipes and lengths off pipes Expired GB697042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE697042X 1950-05-10

Publications (1)

Publication Number Publication Date
GB697042A true GB697042A (en) 1953-09-16

Family

ID=6607825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1090651A Expired GB697042A (en) 1950-05-10 1951-05-09 Improvements in or relating to devices for cutting threads in pipes and lengths off pipes

Country Status (1)

Country Link
GB (1) GB697042A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189567A (en) * 1986-04-25 1987-10-28 Midland Dynamo Scraping pipes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189567A (en) * 1986-04-25 1987-10-28 Midland Dynamo Scraping pipes
GB2189567B (en) * 1986-04-25 1990-05-09 Midland Dynamo Tools for operating on pipes

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