GB961188A - Improvements in or relating to tubular bodies and to a method of making the same - Google Patents

Improvements in or relating to tubular bodies and to a method of making the same

Info

Publication number
GB961188A
GB961188A GB3326160A GB3326160A GB961188A GB 961188 A GB961188 A GB 961188A GB 3326160 A GB3326160 A GB 3326160A GB 3326160 A GB3326160 A GB 3326160A GB 961188 A GB961188 A GB 961188A
Authority
GB
United Kingdom
Prior art keywords
band
tube
bending
teeth
edges
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
GB3326160A
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
Publication of GB961188A publication Critical patent/GB961188A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E02B11/005—Drainage conduits

Abstract

961,188. Non-metallic tubes. K. WILLNER. Sept. 28, 1960 [Sept. 30, 1959], No. 33261/60. Heading F2P. A tube is formed from an elongated band bent about the longitudinal axis thereof such that the free edges of the band are near each other and there are means for joining the free edges together while leaving an opening 3 or openings between the edges. The tube has a number of sections 4, 5 and 6 of relatively high resistance to bending, there being between those sections a region or regions 7 and 8 of lesser resistance to bending, the tube at said region or regions still having sufficient strength to withstand force transmitted from section to section. As shown, the tube comprises an elongated band, e.g. of transversely corrugated plastic or rubber-like material, and may be also formed to triangular or circular shape. The free edges of the band may be formed with teeth 39, Fig. 17, which interlock with each other, Fig. 11, or interlocking of the edges may be achieved, by the use of a rod 27, Fig. 13, by bending over the teeth or by outwardly bending the teeth and encompassing the teeth by a channel-shaped clamping member 37, Fig. 16. Also, locking of the edges of the band may be accomplished by the use of members V-shaped or W-shaped in cross-section. In making the tube the band having a number of sections of relatively high bend resistance with adjacent sections joined at a region of relatively low bend resistance, is drawn through a die having the inlet and outlet sides thereof corresponding to the cross-section of the band and the crosssection of the tube to be produced, and the die being so shaped that bending takes place only on the regions of low bend resistance.
GB3326160A 1959-09-30 1960-09-28 Improvements in or relating to tubular bodies and to a method of making the same Expired GB961188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW26481A DE1140878B (en) 1959-09-30 1959-09-30 Draen pipe

Publications (1)

Publication Number Publication Date
GB961188A true GB961188A (en) 1964-06-17

Family

ID=7598359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3326160A Expired GB961188A (en) 1959-09-30 1960-09-28 Improvements in or relating to tubular bodies and to a method of making the same

Country Status (2)

Country Link
DE (1) DE1140878B (en)
GB (1) GB961188A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2156473A (en) * 1984-03-16 1985-10-09 Amco Plastics Ltd Collapsible ducting
US5318076A (en) * 1992-11-13 1994-06-07 Bloom Engineering Company, Inc. Protective refractory locking mechanism
WO2007090213A1 (en) * 2006-02-07 2007-08-16 Thyssenkrupp Presta Aktiengesellschaft Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2156473A (en) * 1984-03-16 1985-10-09 Amco Plastics Ltd Collapsible ducting
US5318076A (en) * 1992-11-13 1994-06-07 Bloom Engineering Company, Inc. Protective refractory locking mechanism
WO2007090213A1 (en) * 2006-02-07 2007-08-16 Thyssenkrupp Presta Aktiengesellschaft Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it
US7841063B2 (en) 2006-02-07 2010-11-30 Thyssenkrupp Presta Aktiengesellschaft Deformable element of a steering wheel spindle in the form of a corrugated tube

Also Published As

Publication number Publication date
DE1140878B (en) 1962-12-06

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