GB1219492A - Improvements in or relating to corrugating methods and apparatus - Google Patents

Improvements in or relating to corrugating methods and apparatus

Info

Publication number
GB1219492A
GB1219492A GB3555268A GB3555268A GB1219492A GB 1219492 A GB1219492 A GB 1219492A GB 3555268 A GB3555268 A GB 3555268A GB 3555268 A GB3555268 A GB 3555268A GB 1219492 A GB1219492 A GB 1219492A
Authority
GB
United Kingdom
Prior art keywords
tubing
ridge
annular
trolley
annular member
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
GB3555268A
Inventor
Henry William Holdup
John Alfred Baskwell
Reginald Henry Lush
James Arthur Francis Donelan
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.)
Pirelli General Cable Works Ltd
Pirelli General Cable Works
Original Assignee
Pirelli General Cable Works Ltd
Pirelli General Cable Works
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 Pirelli General Cable Works Ltd, Pirelli General Cable Works filed Critical Pirelli General Cable Works Ltd
Priority to US788779A priority Critical patent/US3572074A/en
Priority to FR6900480A priority patent/FR2000098A1/fr
Priority to BE726671D priority patent/BE726671A/en
Priority to NL6900355A priority patent/NL6900355A/xx
Priority to DE19691900953 priority patent/DE1900953A1/en
Priority to DK13169AA priority patent/DK139256B/en
Priority to BR21094769A priority patent/BR6910947D0/en
Publication of GB1219492A publication Critical patent/GB1219492A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0009—Apparatus or processes specially adapted for manufacturing conductors or cables for forming corrugations on conductors or cables

Abstract

1,219,492. Corrugating. PIRELLI GENERAL CABLE WORKS Ltd. 30 Dec., 1968 [9 Jan., 1968; 25 July, 1968], Nos. 1266/68 and 35552/68. Headings B3A and B3E. Apparatus for forming annular corrugations in metal tubing comprises an annular corrugating member 1 supported so as to bear on the exterior of the tubing 3, means 5 for effecting relative movement in the direction of the longitudinal tubing axis between the tubing and the annular member, and simultaneously effecting relative rotation between the annular member 1 and the tubing 3, the internal working ridge 2 being of such curvature and configuration that, on passage of the tubing through the annular portion successive portions of the ridge, each having a radius of curvature equal to or greater than the external root radius of the tubing after corrugation, bear against the tubing in planes perpendicular to the longitudinal tubing axis to form successive annular troughs in the tubing. In operation, the annular member 1 is rotated eccentrically about the axis of the tubing 3 and at the same time the latter is advanced continuously through the member 1. Successive parts of the helical working ridge 2 engage and deform successive parts of the circumference of the tubing 3, the rate of feed of the tubing being such in relation to the rate of rotation of the annular member 1 that the advance of the tubing is maintained in step with the advance of the region of contact of the helical ridge 2 upon rotation of the annular member. As the leading edge of the ridge 2 finishes one trough the trailing edge of the ridge is just commencing the next trough. A trolley 9 which is free to move in a fixed line parallel to the movement of the sheath 3, is directly linked to a speed control rheostat 14 which varies the speed of the motors 5. The effect of this is such that if the trolley 9 moves towards an extruder 4 its speed is reduced by the rheostat 14 until it stops, alternatively, if the trolley 9 moves away from the extruder, the trolley speed is increased up to a certain set limit.
GB3555268A 1968-01-09 1968-01-09 Improvements in or relating to corrugating methods and apparatus Expired GB1219492A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US788779A US3572074A (en) 1968-01-09 1969-01-03 Corrugating methods and apparatus
FR6900480A FR2000098A1 (en) 1968-01-09 1969-01-09
BE726671D BE726671A (en) 1968-01-09 1969-01-09 IMPROVEMENTS IN PROCESSES AND APPARATUS FOR WAVING TUBES.
NL6900355A NL6900355A (en) 1968-01-09 1969-01-09
DE19691900953 DE1900953A1 (en) 1968-01-09 1969-01-09 Method and device for waves of cable sheaths or the like.
DK13169AA DK139256B (en) 1968-01-09 1969-01-09 Apparatus for making annular corrugations in metal pipes.
BR21094769A BR6910947D0 (en) 1968-07-25 1969-07-23 PERFECT METHOD AND DEVICE FOR CORRUGATING TUBES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB126668 1968-01-09

Publications (1)

Publication Number Publication Date
GB1219492A true GB1219492A (en) 1971-01-13

Family

ID=9718985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3555268A Expired GB1219492A (en) 1968-01-09 1968-01-09 Improvements in or relating to corrugating methods and apparatus

Country Status (1)

Country Link
GB (1) GB1219492A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114749555A (en) * 2022-05-11 2022-07-15 浙江福莱斯伯光电科技有限公司 Metal hose forming device and forming method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114749555A (en) * 2022-05-11 2022-07-15 浙江福莱斯伯光电科技有限公司 Metal hose forming device and forming method thereof

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