FR2439078A1 - Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend - Google Patents

Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend

Info

Publication number
FR2439078A1
FR2439078A1 FR7830128A FR7830128A FR2439078A1 FR 2439078 A1 FR2439078 A1 FR 2439078A1 FR 7830128 A FR7830128 A FR 7830128A FR 7830128 A FR7830128 A FR 7830128A FR 2439078 A1 FR2439078 A1 FR 2439078A1
Authority
FR
France
Prior art keywords
oriented polypropylene
integral
profiles
stiff
bridges
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.)
Granted
Application number
FR7830128A
Other languages
French (fr)
Other versions
FR2439078B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7830128A priority Critical patent/FR2439078A1/en
Priority to DE7979400742T priority patent/DE2964370D1/en
Priority to AT79400742T priority patent/ATE2054T1/en
Priority to EP79400742A priority patent/EP0010490B1/en
Publication of FR2439078A1 publication Critical patent/FR2439078A1/en
Application granted granted Critical
Publication of FR2439078B1 publication Critical patent/FR2439078B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/22—Multi-channel hoses
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Tubular profiles with longitudinal voids (13,14) in their walls are co-extruded with lateral links in the form of thin flexible webs which can move like hinges. The prods. are used as flexible or extensible panels which are competitive in cost and stiffness with equivalent structures made from sheet metal with associated fittings. Specifically claimed are hollow-walled profiles with integral hinges of oriented polypropylene, for use as e.g. roller doors, semi-transparent skylight blinds, etc. The die profile may be such that the walls of the pores in the tube walls of define longitudinal ribs on the inner and/or outer faces of the hollow profiles. The flexible mandrel extends (18,19) cand eform to accommodate die-swell effects so that the profile body can be made of solid material.
FR7830128A 1978-10-16 1978-10-16 Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend Granted FR2439078A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7830128A FR2439078A1 (en) 1978-10-16 1978-10-16 Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend
DE7979400742T DE2964370D1 (en) 1978-10-16 1979-10-12 Tubes, pipes and hollow structures of plastic material, method and tool for their manufacture
AT79400742T ATE2054T1 (en) 1978-10-16 1979-10-12 PIPES, HOSES AND PLASTIC HOLLOW PROFILES, PROCESS AND TOOLS FOR THEIR MANUFACTURE.
EP79400742A EP0010490B1 (en) 1978-10-16 1979-10-12 Tubes, pipes and hollow structures of plastic material, method and tool for their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830128A FR2439078A1 (en) 1978-10-16 1978-10-16 Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend

Publications (2)

Publication Number Publication Date
FR2439078A1 true FR2439078A1 (en) 1980-05-16
FR2439078B1 FR2439078B1 (en) 1981-06-26

Family

ID=9214061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830128A Granted FR2439078A1 (en) 1978-10-16 1978-10-16 Extruding hollow tubular profiles - linked by integral oriented polypropylene bridges, for light, stiff screens which can fold or extend

Country Status (1)

Country Link
FR (1) FR2439078A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378413B (en) * 1982-10-04 1985-08-12 Hirsch Elisabeth EXTRUDED HOLLOW BODY PROFILE MADE OF PLASTIC
FR2951530A1 (en) * 2009-10-16 2011-04-22 Unistar Europ PROBE FOR GEOTHERMAL FACILITIES
EP3381817A3 (en) * 2017-03-31 2018-11-07 Shin-Etsu Chemical Co., Ltd. Method for producing polymer tube containing liquid and being sealed at constant intervals and apparatus for producing polymer tube
US10926707B2 (en) * 2017-06-27 2021-02-23 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. Vehicle interior component

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3217401C2 (en) * 1982-05-08 1985-04-11 Dipl.-Ing. Dr. Ernst Vogelsang Gmbh & Co Kg, 4352 Herten Cable routing assembly made of plastic with a plurality of cable routing tubes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245582B (en) * 1965-04-14 1967-07-27 Basf Ag Extruder for the production of profiles from thermoplastic materials with hollow channels
FR2297128A1 (en) * 1975-01-13 1976-08-06 Wavin Bv MANUFACTURE OF PLASTIC PIPES CONTAINING ELONGATED CHANNELS
FR2344397A1 (en) * 1976-03-16 1977-10-14 Covema Srl Injection moulding device - has orifice provided with mouthpieces connected to atmos. to prevent collapsing of element walls (NL 20.9.77)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245582B (en) * 1965-04-14 1967-07-27 Basf Ag Extruder for the production of profiles from thermoplastic materials with hollow channels
FR2297128A1 (en) * 1975-01-13 1976-08-06 Wavin Bv MANUFACTURE OF PLASTIC PIPES CONTAINING ELONGATED CHANNELS
FR2344397A1 (en) * 1976-03-16 1977-10-14 Covema Srl Injection moulding device - has orifice provided with mouthpieces connected to atmos. to prevent collapsing of element walls (NL 20.9.77)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378413B (en) * 1982-10-04 1985-08-12 Hirsch Elisabeth EXTRUDED HOLLOW BODY PROFILE MADE OF PLASTIC
FR2951530A1 (en) * 2009-10-16 2011-04-22 Unistar Europ PROBE FOR GEOTHERMAL FACILITIES
EP3381817A3 (en) * 2017-03-31 2018-11-07 Shin-Etsu Chemical Co., Ltd. Method for producing polymer tube containing liquid and being sealed at constant intervals and apparatus for producing polymer tube
US10865002B2 (en) 2017-03-31 2020-12-15 Shin-Etsu Chemical Co., Ltd. Method for producing polymer tube containing liquid and being sealed at constant intervals and apparatus for producing polymer tube
US11724838B2 (en) 2017-03-31 2023-08-15 Shin-Etsu Chemical Co., Ltd. Method for producing polymer tube containing liquid and being sealed at constant intervals and apparatus for producing polymer tube
US10926707B2 (en) * 2017-06-27 2021-02-23 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. Vehicle interior component

Also Published As

Publication number Publication date
FR2439078B1 (en) 1981-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse