FR1487218A - Enveloping pipe or the like for prestressed concrete, devices and methods for its manufacture and their various applications - Google Patents

Enveloping pipe or the like for prestressed concrete, devices and methods for its manufacture and their various applications

Info

Publication number
FR1487218A
FR1487218A FR70311A FR70311A FR1487218A FR 1487218 A FR1487218 A FR 1487218A FR 70311 A FR70311 A FR 70311A FR 70311 A FR70311 A FR 70311A FR 1487218 A FR1487218 A FR 1487218A
Authority
FR
France
Prior art keywords
manufacture
methods
devices
various applications
prestressed concrete
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
FR70311A
Other languages
French (fr)
Inventor
Oskar Weise
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
Priority claimed from DEW35414U external-priority patent/DE1925384U/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1487218A publication Critical patent/FR1487218A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E04C5/10—Ducts
    • 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
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR70311A 1965-07-22 1966-07-21 Enveloping pipe or the like for prestressed concrete, devices and methods for its manufacture and their various applications Expired FR1487218A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEW35414U DE1925384U (en) 1965-07-22 1965-07-22 COVER PIPE FOR PRE-PRESSURE CONCRETE
DEW0040153 1965-10-21
DEW0041796 1966-06-15

Publications (1)

Publication Number Publication Date
FR1487218A true FR1487218A (en) 1967-06-30

Family

ID=27213446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70311A Expired FR1487218A (en) 1965-07-22 1966-07-21 Enveloping pipe or the like for prestressed concrete, devices and methods for its manufacture and their various applications

Country Status (4)

Country Link
BE (1) BE684520A (en)
FR (1) FR1487218A (en)
LU (1) LU51598A1 (en)
NL (1) NL6610216A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656514A (en) * 1968-09-18 1972-04-18 Julian C Renfro High reliability joint for manufacture of pipe
FR2229530A1 (en) * 1973-05-16 1974-12-13 Verges Paul Continuous blow-moulding machine - for plastic bottles, using two endless arrays of flexible half-moulds
EP0332582A1 (en) * 1988-03-08 1989-09-13 VSL International AG Casing tube
WO2000070167A1 (en) * 1999-05-14 2000-11-23 Raffensperger, Patricia Bonded prestressing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656514A (en) * 1968-09-18 1972-04-18 Julian C Renfro High reliability joint for manufacture of pipe
FR2229530A1 (en) * 1973-05-16 1974-12-13 Verges Paul Continuous blow-moulding machine - for plastic bottles, using two endless arrays of flexible half-moulds
EP0332582A1 (en) * 1988-03-08 1989-09-13 VSL International AG Casing tube
WO2000070167A1 (en) * 1999-05-14 2000-11-23 Raffensperger, Patricia Bonded prestressing system

Also Published As

Publication number Publication date
BE684520A (en) 1967-01-13
LU51598A1 (en) 1966-11-08
NL6610216A (en) 1967-01-23

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