GB575144A - Improvements relating to tubular frames for cycles and other structures - Google Patents

Improvements relating to tubular frames for cycles and other structures

Info

Publication number
GB575144A
GB575144A GB326344A GB326344A GB575144A GB 575144 A GB575144 A GB 575144A GB 326344 A GB326344 A GB 326344A GB 326344 A GB326344 A GB 326344A GB 575144 A GB575144 A GB 575144A
Authority
GB
United Kingdom
Prior art keywords
tubes
lugs
heat
pressure
plastic adhesive
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
GB326344A
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.)
James Booth & Co Ltd
JOHN EDWIN TEMPLE
Original Assignee
James Booth & Co Ltd
JOHN EDWIN TEMPLE
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 James Booth & Co Ltd, JOHN EDWIN TEMPLE filed Critical James Booth & Co Ltd
Priority to GB326344A priority Critical patent/GB575144A/en
Publication of GB575144A publication Critical patent/GB575144A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/34—Bottom brackets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

575,144. Tube joints. BOOTH & CO., Ltd., J., and TEMPLE, J. E. Feb. 22, 1944, No. 3263. [Class 99 (i)] [Also in Group XXXI] A tubular frame for a cycle or other structure comprises tubes of aluminium or light metal alloy having their ends formed externally to a suitable taper and inserted in the sockets of lugs which may-be of similar material thermosetting plastic adhesive being applied to one or both of the surfaces to be united, and the necessary pressure being obtained by applying a force to the members along their axes, and heat being applied to the joints while the pressure is maintained. The tubes 10, 11, 12 may be made of either heat-treatable or non heattreatable light metal or metal alloy. The ends 13 of the tubes are swaged preferably while the metal is still ductile to a taper of about one in sixteen. The lugs 15 are pressure die castings of for example a ten to twelve per cent. silicon casting alloy, the interior surfaces 13 being produced accurately without machining. In assembly the tapered ends of the tubes are coated with the plastic adhesive and are pressed into the sockets to form the cycle frame which is held by a jig. The latter may have some fixed and some adjustable abutments to enable axial pressure to be applied on all the tubes. The complete frame and jig may then be placed in a muffle to apply the heat which is required to harden the adhesive but may also provide all or part of the heat treatment of the lugs and tubes. According to the Provisional Specification the tapered surfaces of the tube and/or lugs may be provided with longitudinal or circumferential grooves to hold the plastic adhesive and the thickness of the tubes may vary to suit greater stresses at their ends.
GB326344A 1944-02-22 1944-02-22 Improvements relating to tubular frames for cycles and other structures Expired GB575144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB326344A GB575144A (en) 1944-02-22 1944-02-22 Improvements relating to tubular frames for cycles and other structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB326344A GB575144A (en) 1944-02-22 1944-02-22 Improvements relating to tubular frames for cycles and other structures

Publications (1)

Publication Number Publication Date
GB575144A true GB575144A (en) 1946-02-05

Family

ID=9755030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB326344A Expired GB575144A (en) 1944-02-22 1944-02-22 Improvements relating to tubular frames for cycles and other structures

Country Status (1)

Country Link
GB (1) GB575144A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318333A1 (en) * 1975-07-18 1977-02-11 Masson Claude Bicycle frame joining bracket - with steps formed in horizontal bore to mate with similar split crossbar end
US4479662A (en) * 1978-07-31 1984-10-30 Angenieux Clb S. A. Method and means for assembling the parts of cycle frames and the like
GB2158179A (en) * 1984-05-04 1985-11-06 Stephen Graham Rutherford Connector blocks
US4583755A (en) * 1984-12-04 1986-04-22 Huffy Corporation Bicycle frame
GB2176563A (en) * 1985-06-21 1986-12-31 Claber Spa Three-arm hub joint for tubular structures
US4746136A (en) * 1985-03-20 1988-05-24 Kirk Francis G Bicycle frame and bicycle
US5018900A (en) * 1988-11-17 1991-05-28 Technique Du Verre Tisse S.A. Process for connecting and assembling tubular elements, in particular for constructing a bicycle frame

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318333A1 (en) * 1975-07-18 1977-02-11 Masson Claude Bicycle frame joining bracket - with steps formed in horizontal bore to mate with similar split crossbar end
US4479662A (en) * 1978-07-31 1984-10-30 Angenieux Clb S. A. Method and means for assembling the parts of cycle frames and the like
GB2158179A (en) * 1984-05-04 1985-11-06 Stephen Graham Rutherford Connector blocks
US4583755A (en) * 1984-12-04 1986-04-22 Huffy Corporation Bicycle frame
US4746136A (en) * 1985-03-20 1988-05-24 Kirk Francis G Bicycle frame and bicycle
GB2176563A (en) * 1985-06-21 1986-12-31 Claber Spa Three-arm hub joint for tubular structures
AU586473B2 (en) * 1985-06-21 1989-07-13 Claber S.P.A. Three-arm hub joint for tubular structures specifically for hose racks and hose carts.
GB2176563B (en) * 1985-06-21 1989-07-26 Claber Spa Three-arm hub joint for tubular structures specifically for hose racks and hose carts
US5018900A (en) * 1988-11-17 1991-05-28 Technique Du Verre Tisse S.A. Process for connecting and assembling tubular elements, in particular for constructing a bicycle frame

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