JPS6474378A - Tubular structure and manufacture thereof - Google Patents

Tubular structure and manufacture thereof

Info

Publication number
JPS6474378A
JPS6474378A JP63214750A JP21475088A JPS6474378A JP S6474378 A JPS6474378 A JP S6474378A JP 63214750 A JP63214750 A JP 63214750A JP 21475088 A JP21475088 A JP 21475088A JP S6474378 A JPS6474378 A JP S6474378A
Authority
JP
Japan
Prior art keywords
channels
tubular structure
tube
recesses
tuber
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.)
Pending
Application number
JP63214750A
Other languages
Japanese (ja)
Inventor
Tesuta Sandoro
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.)
Campagnolo SRL
Original Assignee
Campagnolo SRL
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 Campagnolo SRL filed Critical Campagnolo SRL
Publication of JPS6474378A publication Critical patent/JPS6474378A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0003—Producing profiled members, e.g. beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
    • B29C63/46—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses of internal surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/887—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced locally reinforced, e.g. by fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • 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
    • F16L9/02—Rigid pipes of metal
    • F16L9/04—Reinforced pipes

Abstract

PURPOSE: To attain light weight and good mechanical strength characteristic by fixing a tube to another one of define a plurality of longitudinal channels therebetween, and reinforcing some of the channels with fibers. CONSTITUTION: Tubular structure 1 comprises an outer tuber 2 and an inner tuber 3 which is fixed to the inner face of the outer tube 2. The outer tube 2 is made of a light alloy and has a smooth tubular wall. The inner tube 3 is made of a light metal and has a plurality of recesses 4 in the longitudinal direction. The recesses 4 define longitudinal channels 5. A fiber such as a carbon fiber impregnated with a resin or the like is filled in channels 5. As a result, the tubular structure has an extremely light weight and good strength property, thus the strength-to-weight ratio is extremely high.
JP63214750A 1987-09-02 1988-08-29 Tubular structure and manufacture thereof Pending JPS6474378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767748A IT1211279B (en) 1987-09-02 1987-09-02 TUBULAR STRUCTURE AND PROCEDURE FOR ITS MANUFACTURE

Publications (1)

Publication Number Publication Date
JPS6474378A true JPS6474378A (en) 1989-03-20

Family

ID=11304986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63214750A Pending JPS6474378A (en) 1987-09-02 1988-08-29 Tubular structure and manufacture thereof

Country Status (3)

Country Link
JP (1) JPS6474378A (en)
FR (1) FR2619749A1 (en)
IT (1) IT1211279B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206579A (en) * 2013-04-08 2013-07-17 常熟建工建设集团有限公司苏州分公司 Novel multi-combined steel tube
CN103711354A (en) * 2013-12-27 2014-04-09 曾义强 Composite telegraph pole/street lamp pole and manufacturing method of street lamp pole
CN104691026A (en) * 2013-12-09 2015-06-10 周中哲 Composite tube for support structure and method of making same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176180A (en) * 1990-03-15 1993-01-05 Conoco Inc. Composite tubular member with axial fibers adjacent the side walls
GB2363683B (en) * 1997-05-23 2002-05-08 Baker Hughes Inc Coiled tubing supported electrical cable having indentations
DE69912255T2 (en) 1998-03-19 2004-08-12 Paul W. Mascouche Fournier STRUCTURE FOR A Pylon
JP2003535724A (en) * 2000-06-16 2003-12-02 ヴィアテック スポーツ， インコーポレイテッド High-performance composite tubular structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484216A1 (en) * 1963-08-24 1969-01-23 Graf Hagenburg Kg Tube made of fiber, in particular glass fiber reinforced plastic, e.g. Mast, tower-like structure, hollow girders and the like.
US3687768A (en) * 1968-12-18 1972-08-29 Allan Holmes Vaitses Method of making a laminated boat hull
FR2040503A1 (en) * 1969-04-30 1971-01-22 Nat Res Dev Joint members reinforced with long fibres
SE389705B (en) * 1972-08-25 1976-11-15 L Svensson POST
DE2547897A1 (en) * 1975-10-25 1977-05-05 Karl Welte Extruded hollow girder with reinforcement insert - has steel strips in slots inside beam in regions of high tensile stress

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206579A (en) * 2013-04-08 2013-07-17 常熟建工建设集团有限公司苏州分公司 Novel multi-combined steel tube
CN104691026A (en) * 2013-12-09 2015-06-10 周中哲 Composite tube for support structure and method of making same
CN103711354A (en) * 2013-12-27 2014-04-09 曾义强 Composite telegraph pole/street lamp pole and manufacturing method of street lamp pole

Also Published As

Publication number Publication date
FR2619749A1 (en) 1989-03-03
IT8767748A0 (en) 1987-09-02
IT1211279B (en) 1989-10-12

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