IT7825135A0 - PROCEDURE AND EQUIPMENT FOR PRODUCING MULTIPLE LAYER THERMOPLASTIC TUBES. - Google Patents

PROCEDURE AND EQUIPMENT FOR PRODUCING MULTIPLE LAYER THERMOPLASTIC TUBES.

Info

Publication number
IT7825135A0
IT7825135A0 IT7825135A IT2513578A IT7825135A0 IT 7825135 A0 IT7825135 A0 IT 7825135A0 IT 7825135 A IT7825135 A IT 7825135A IT 2513578 A IT2513578 A IT 2513578A IT 7825135 A0 IT7825135 A0 IT 7825135A0
Authority
IT
Italy
Prior art keywords
procedure
equipment
multiple layer
producing multiple
layer thermoplastic
Prior art date
Application number
IT7825135A
Other languages
Italian (it)
Other versions
IT1158868B (en
Original Assignee
Cosden Technology
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 Cosden Technology filed Critical Cosden Technology
Publication of IT7825135A0 publication Critical patent/IT7825135A0/en
Application granted granted Critical
Publication of IT1158868B publication Critical patent/IT1158868B/en

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
IT25135/78A 1977-07-01 1978-06-29 PROCEDURE AND EQUIPMENT FOR MULTIPLE LAYER THERMOPLASTIC PIPES IT1158868B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81204177A 1977-07-01 1977-07-01

Publications (2)

Publication Number Publication Date
IT7825135A0 true IT7825135A0 (en) 1978-06-29
IT1158868B IT1158868B (en) 1987-02-25

Family

ID=25208307

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25135/78A IT1158868B (en) 1977-07-01 1978-06-29 PROCEDURE AND EQUIPMENT FOR MULTIPLE LAYER THERMOPLASTIC PIPES

Country Status (5)

Country Link
JP (1) JPS5439481A (en)
BE (1) BE868687A (en)
FR (1) FR2396230A1 (en)
GB (1) GB2000570A (en)
IT (1) IT1158868B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001705C2 (en) * 1980-01-18 1984-10-18 Wavin B.V., Zwolle Centering device for molding tools of extrusion presses
US4465449A (en) * 1982-12-06 1984-08-14 Borg-Warner Chemicals, Inc. Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
JPS6422541A (en) * 1987-07-17 1989-01-25 Idemitsu Petrochemical Co Multi-layer material
DE4135336C2 (en) * 1991-10-26 1993-10-21 Rehau Ag & Co Process for extruding multilayer pipes
US7584771B2 (en) 2002-05-07 2009-09-08 Durr Systems, Inc. Method and apparatus for delivering paint to an applicator and flushing same
AU2003232070A1 (en) * 2002-05-07 2003-11-11 Behr Systems, Inc. Method and apparatus for delivering paint to an applicator and flushing same
JP2013043412A (en) * 2011-08-26 2013-03-04 Sekisui Chem Co Ltd Die for multi-layered tube
DE102013220746A1 (en) * 2013-10-14 2015-04-16 Battenfeld-Cincinnati Austria Gmbh Apparatus and method for cooling plastic profiles

Also Published As

Publication number Publication date
FR2396230A1 (en) 1979-01-26
GB2000570A (en) 1979-01-10
BE868687A (en) 1978-11-03
IT1158868B (en) 1987-02-25
JPS5439481A (en) 1979-03-26
FR2396230B3 (en) 1981-02-06

Similar Documents

Publication Publication Date Title
IT7824802A0 (en) PROCEDURE AND EQUIPMENT FOR SEPARATING TUBES.
IT7867176A0 (en) DEVICE FOR THE PRODUCTION OF THERMOPLASTIC TUBES
BE870515A (en) ADVANCED MULTIPLE PENET LOCKS
AR218915A1 (en) METHOD AND APPARATUS FOR PRODUCING A HOSE STRUCTURE
IT1077711B (en) EQUIPMENT FOR WORKING ON SUBMARINE PIPES
NO149087C (en) PROCEDURE AND DEVICE FOR MANUFACTURING A TELECOMMUNICATION CABLE.
IT7822654A0 (en) PROCEDURE AND EQUIPMENT FOR PRODUCING MULTIPLE FILTERS FOR CIGARETTES.
IT1070784B (en) METHOD AND EQUIPMENT FOR MANUFACTURING MULTIPLE LAYER CONDENSERS
JPS5385762A (en) Large multiple curvature surface forming device
IT7829136A0 (en) APPARATUS THAT IS BROUGHT IN CONTACT WITH PERFORATION BY GROUP BY BOTTOM PERFORATOR GROUP.
IT1086796B (en) HEAD FOR HANDLING TUBES
GB2006109B (en) Method of manufacturing a laminate
JPS5385750A (en) Laying pipe
IT1081438B (en) FASTENING ELEMENT FOR TUBES, CABLE LINES AND OTHER
IT7825135A0 (en) PROCEDURE AND EQUIPMENT FOR PRODUCING MULTIPLE LAYER THERMOPLASTIC TUBES.
IT7868009A0 (en) BARS AND PACKAGING OBTAINED WITH THE PROCEDURE FOR PACKAGING TUBES TOTAL PROCEDURE
IT1076866B (en) MECHANICAL DILATOR FOR PIPES
DK522878A (en) A transfer
IT7869177A0 (en) PROCEDURE FOR PRODUCING A PROTECTIVE LAYER ON PIPES
IT1139636B (en) ANTI-IMPLOSION TAPE FOR CATHODE RAYS
DD136124A5 (en) KUEHLCONTAINERSCHIFF WITH A KUEHLANLAGE
IT7848501A0 (en) SEGMENT POLYMERS AND PROCEDURE FOR PRODUCING THEM
DD132893A1 (en) RING-SPRING-WATER TRANSFER WITH TWO OR MORE CONCENTRIC PIPES
IT1087865B (en) CATHODE FOR ELECTRONIC TUBES.
IT1107058B (en) JOINT FOR PIPES