LU51598A1LU51598ALU51598ALU51598A1LU 51598 A1LU51598 A1LU 51598A1LU 51598 ALU51598 ALU 51598ALU 51598 ALU51598 ALU 51598ALU 51598 A1LU51598 A1LU 51598A1
Authority
LU
Luxembourg
Application number
LU51598A
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Publication date
Priority claimed from DEW35414Uexternal-prioritypatent/DE1925384U/de
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Publication of LU51598A1publicationCriticalpatent/LU51598A1/xx
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
B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
E04C5/08—Members specially adapted to be used in prestressed constructions
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
F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement