JPS564433A - Guiding device for valve equipped with internal cooler - Google Patents

Guiding device for valve equipped with internal cooler

Info

Publication number
JPS564433A
JPS564433A JP7940079A JP7940079A JPS564433A JP S564433 A JPS564433 A JP S564433A JP 7940079 A JP7940079 A JP 7940079A JP 7940079 A JP7940079 A JP 7940079A JP S564433 A JPS564433 A JP S564433A
Authority
JP
Japan
Prior art keywords
valve
rings
air
feeding
discharging
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
JP7940079A
Other languages
Japanese (ja)
Inventor
Akira Shimizu
Mitsuo Wakabayashi
Toshiyuki Takada
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.)
MODAN MACHINERY
Sumitomo Heavy Industries Modern Ltd
Original Assignee
MODAN MACHINERY
Modern Machinery Co 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 MODAN MACHINERY, Modern Machinery Co Ltd filed Critical MODAN MACHINERY
Priority to JP7940079A priority Critical patent/JPS564433A/en
Publication of JPS564433A publication Critical patent/JPS564433A/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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE:To prevent fluctuation of a valve and to restrain rising of a frost line concomitant with a high speed withdrawal of the valve by a method wherein an annular valve guiding member and feeding and discharging passages of cooling air are formed around a feeding and discharging air cylinder extending into the valve through a central portion of a blow head. CONSTITUTION:An air feeding cylinder 2 is provided within a cylindrical die 19 and cooling air is injected out of rings 5a-5e for internal cooling of a valve, supported by an inner exhaust cylinder 7, toward an inner peripheral surface of the valve 8. Rings are communicated with each other through feeding air communicating cylinders 6a-6d. Valve guiding members 11a-11d are provided between the rings 5a-5e respectively and thus fluctuation of the valve 8 is prevented. Discharging of cooling air blown out of the rings 5a-5d is effected through a second air discharging passageway utilizing a short circuit suction port 12 bored on the exhaust cylinder 7 while cooling air blown out of the ring 5e is entered into an internal portion of the exhaust cylinder 7 from an upper opening of the exhaust cylinder 7.
JP7940079A 1979-06-23 1979-06-23 Guiding device for valve equipped with internal cooler Pending JPS564433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7940079A JPS564433A (en) 1979-06-23 1979-06-23 Guiding device for valve equipped with internal cooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7940079A JPS564433A (en) 1979-06-23 1979-06-23 Guiding device for valve equipped with internal cooler

Publications (1)

Publication Number Publication Date
JPS564433A true JPS564433A (en) 1981-01-17

Family

ID=13688794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7940079A Pending JPS564433A (en) 1979-06-23 1979-06-23 Guiding device for valve equipped with internal cooler

Country Status (1)

Country Link
JP (1) JPS564433A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145225A (en) * 1983-02-08 1984-08-20 Inoue Japax Res Inc Reinforced composite material of synthetic resin base
US4601649A (en) * 1983-09-29 1986-07-22 Windmoller & Holscher Cooling apparatus for tubular plastics film extruded from a film blow head
US4955802A (en) * 1988-06-16 1990-09-11 Reifenhauser Gmbh & Co. Maschinenfabrik Blow-extruding a multilayer synthetic-resin tube
US5322431A (en) * 1992-02-21 1994-06-21 Reiffenhauser Gmbh & Co. Maschinenfabrik Apparatus for blowing a film of thermoplastic synthetic resin
US5576029A (en) * 1995-06-02 1996-11-19 Planeta; Mirek Internal cooling air supply assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506661A (en) * 1972-12-19 1975-01-23
JPS52111962A (en) * 1976-03-15 1977-09-20 Windmoeller & Hoelscher Device for cooling cylindrical plastic film produced by film blowing head
JPS5593519A (en) * 1978-12-28 1980-07-16 Matsushita Electric Ind Co Ltd Magnetic head
JPS55155260A (en) * 1979-05-22 1980-12-03 Tokyo Electric Power Co Inc:The Trouble point detection system for searching and protecting trouble point of power transmission line

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506661A (en) * 1972-12-19 1975-01-23
JPS52111962A (en) * 1976-03-15 1977-09-20 Windmoeller & Hoelscher Device for cooling cylindrical plastic film produced by film blowing head
JPS5593519A (en) * 1978-12-28 1980-07-16 Matsushita Electric Ind Co Ltd Magnetic head
JPS55155260A (en) * 1979-05-22 1980-12-03 Tokyo Electric Power Co Inc:The Trouble point detection system for searching and protecting trouble point of power transmission line

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145225A (en) * 1983-02-08 1984-08-20 Inoue Japax Res Inc Reinforced composite material of synthetic resin base
US4601649A (en) * 1983-09-29 1986-07-22 Windmoller & Holscher Cooling apparatus for tubular plastics film extruded from a film blow head
US4955802A (en) * 1988-06-16 1990-09-11 Reifenhauser Gmbh & Co. Maschinenfabrik Blow-extruding a multilayer synthetic-resin tube
US5322431A (en) * 1992-02-21 1994-06-21 Reiffenhauser Gmbh & Co. Maschinenfabrik Apparatus for blowing a film of thermoplastic synthetic resin
US5576029A (en) * 1995-06-02 1996-11-19 Planeta; Mirek Internal cooling air supply assembly

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