GB597363A - Improvements in or relating to tubes readily deformable by hand - Google Patents

Improvements in or relating to tubes readily deformable by hand

Info

Publication number
GB597363A
GB597363A GB20998/45A GB2099845A GB597363A GB 597363 A GB597363 A GB 597363A GB 20998/45 A GB20998/45 A GB 20998/45A GB 2099845 A GB2099845 A GB 2099845A GB 597363 A GB597363 A GB 597363A
Authority
GB
United Kingdom
Prior art keywords
beads
aug
relating
hand
readily deformable
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
GB20998/45A
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.)
METALLSCHLAUCHFABRIK AG
Original Assignee
METALLSCHLAUCHFABRIK 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
Application filed by METALLSCHLAUCHFABRIK AG filed Critical METALLSCHLAUCHFABRIK AG
Publication of GB597363A publication Critical patent/GB597363A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/14Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/16Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

597,363. Flexible pipes. METALLSCHLAUCHFABRIK AKT.-GES. Aug. 17, 1945, No. 20998. Convention date, Aug. 30, 1944. [Class 99 (ii)] A metal flexible pipe, Fig. 3, formed by a helical band with a straight or convex centre portion l<1> and interlocking bead ends 2, 3 has its beads, which overlap to form a double thickness, welded and the height of said beads is 2 mm. plus 1/50 of the clear flow diameter of the tube and the distance between said beads must be greater than the width of the beads. In a modification, Fig. 2, the bands are extended and bent radially outwards to form the cooling fins 4. The semicircular beads shown may be replaced. by beads of V- or U-shaped cross-section.
GB20998/45A 1944-08-30 1945-08-17 Improvements in or relating to tubes readily deformable by hand Expired GB597363A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH597363X 1944-08-30

Publications (1)

Publication Number Publication Date
GB597363A true GB597363A (en) 1948-01-23

Family

ID=4522522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20998/45A Expired GB597363A (en) 1944-08-30 1945-08-17 Improvements in or relating to tubes readily deformable by hand

Country Status (1)

Country Link
GB (1) GB597363A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019820A (en) * 1957-02-28 1962-02-06 Joseph W Yowell Corrugated tubing
US5282494A (en) * 1990-11-02 1994-02-01 British Gas Plc Replacement main having nozzle and vanes
GB2249370B (en) * 1990-11-02 1995-05-17 British Gas Plc Replacing mains
GB2298016A (en) * 1995-02-14 1996-08-21 Zanussi Grandi Impianti Spa Deformable tube with an internal surface of intermittently variable section

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019820A (en) * 1957-02-28 1962-02-06 Joseph W Yowell Corrugated tubing
US5282494A (en) * 1990-11-02 1994-02-01 British Gas Plc Replacement main having nozzle and vanes
US5287893A (en) * 1990-11-02 1994-02-22 British Gas Plc Head for replacing mains
US5345971A (en) * 1990-11-02 1994-09-13 British Gas Plc Method of replacing branch mains
GB2249370B (en) * 1990-11-02 1995-05-17 British Gas Plc Replacing mains
GB2298016A (en) * 1995-02-14 1996-08-21 Zanussi Grandi Impianti Spa Deformable tube with an internal surface of intermittently variable section

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