JPS5656834A - Extrusion molding machine for pipe having corrugated pattern - Google Patents

Extrusion molding machine for pipe having corrugated pattern

Info

Publication number
JPS5656834A
JPS5656834A JP13317679A JP13317679A JPS5656834A JP S5656834 A JPS5656834 A JP S5656834A JP 13317679 A JP13317679 A JP 13317679A JP 13317679 A JP13317679 A JP 13317679A JP S5656834 A JPS5656834 A JP S5656834A
Authority
JP
Japan
Prior art keywords
resin
block dies
mandrel
pattern
molten resin
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
JP13317679A
Other languages
Japanese (ja)
Inventor
Mitsuharu Okido
Hidenori Idate
Tadashi Sato
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP13317679A priority Critical patent/JPS5656834A/en
Publication of JPS5656834A publication Critical patent/JPS5656834A/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
    • 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
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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

Abstract

PURPOSE:To obtain the captioned machine capable of continuously forming a long pipe having clear corrugated pattern indifferent to the flow direction of molten resin by a method wherein a plurality of block dies having corrugations for giving a pattern on a contact surface with the resin are arranged on the external circumference of a mandrel. CONSTITUTION:A plurality of block dies 11... are arranged on the external circumference of a mandrel 9 equipped in front of an extruder barrel 1 so that they can move with the resin along the mandrel. On the contact surface of the block dies 11 with the resin are provided corrugations 10 for giving a pattern to the surface of molded bodies 15, 16, the block dies 11 are resticted by enough pressure of the resultant flow composed of the push and pull flows of plastic molten resin 14 on both sides in order to prevent the plastic molten resin from leaking. The molded article is separated by releasing the block dies 11.
JP13317679A 1979-10-15 1979-10-15 Extrusion molding machine for pipe having corrugated pattern Pending JPS5656834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13317679A JPS5656834A (en) 1979-10-15 1979-10-15 Extrusion molding machine for pipe having corrugated pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13317679A JPS5656834A (en) 1979-10-15 1979-10-15 Extrusion molding machine for pipe having corrugated pattern

Publications (1)

Publication Number Publication Date
JPS5656834A true JPS5656834A (en) 1981-05-19

Family

ID=15098446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13317679A Pending JPS5656834A (en) 1979-10-15 1979-10-15 Extrusion molding machine for pipe having corrugated pattern

Country Status (1)

Country Link
JP (1) JPS5656834A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022513210A (en) * 2018-12-14 2022-02-07 チャイナ タバコ フーナン インダストリアル カンパニー リミテッド Molding equipment, cigarette filter rod, and its manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022513210A (en) * 2018-12-14 2022-02-07 チャイナ タバコ フーナン インダストリアル カンパニー リミテッド Molding equipment, cigarette filter rod, and its manufacturing method

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