JPS5590327A - Production of multiple membrane - Google Patents

Production of multiple membrane

Info

Publication number
JPS5590327A
JPS5590327A JP16301778A JP16301778A JPS5590327A JP S5590327 A JPS5590327 A JP S5590327A JP 16301778 A JP16301778 A JP 16301778A JP 16301778 A JP16301778 A JP 16301778A JP S5590327 A JPS5590327 A JP S5590327A
Authority
JP
Japan
Prior art keywords
cooling
dies
roll
main
cooled
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
JP16301778A
Other languages
Japanese (ja)
Other versions
JPS6227976B2 (en
Inventor
Kazuo Matsukura
Kunio Murakami
Tsugio Nagasawa
Tadashi Hayashi
Mitsuru Uenishi
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Priority to JP16301778A priority Critical patent/JPS5590327A/en
Publication of JPS5590327A publication Critical patent/JPS5590327A/en
Publication of JPS6227976B2 publication Critical patent/JPS6227976B2/ja
Granted 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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9155—Pressure rollers
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

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

Abstract

PURPOSE:To double the production with a small equipment without much equipment investment by separately producing membranes in sucession by forming and cooling thermoplastic membrane using one cooling roll in common against more than one T dies. CONSTITUTION:For example when two T dies are used, thermoplastic resin melted by heat in an extruder is extruded at 2T dies 1 and 1' passing through a short tube dually branched off, solidified cooled separately on a main cooling roll 3 turning and withdrawn individually by way of withdrawing guide rolls 4 and 4'. When there is a room for the cooling speed, more than one T dies can be used. On the other hand, when the sort of the thermoplastic resin is of the quality that can not be cooled sufficiently due to slow cooling rate, the following method is available. In addition to the main cooling roll 3, an auxiliary cooling rolls 5 and 5' are provided in the proximity of the T dies 1 and 1' for preliminary cooling. After being nipped by the main roll 3 and auxiliary cooling rolls 5 and 5', the resin is cooled with the main cooling roll 3 to form membranes, which are individually withdrawn.
JP16301778A 1978-12-28 1978-12-28 Production of multiple membrane Granted JPS5590327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16301778A JPS5590327A (en) 1978-12-28 1978-12-28 Production of multiple membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16301778A JPS5590327A (en) 1978-12-28 1978-12-28 Production of multiple membrane

Publications (2)

Publication Number Publication Date
JPS5590327A true JPS5590327A (en) 1980-07-08
JPS6227976B2 JPS6227976B2 (en) 1987-06-17

Family

ID=15765601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16301778A Granted JPS5590327A (en) 1978-12-28 1978-12-28 Production of multiple membrane

Country Status (1)

Country Link
JP (1) JPS5590327A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917851A (en) * 1985-06-10 1990-04-17 Idemitsu Petrochemical Co., Ltd. Method of manufacturing multi-layer resin material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917851A (en) * 1985-06-10 1990-04-17 Idemitsu Petrochemical Co., Ltd. Method of manufacturing multi-layer resin material

Also Published As

Publication number Publication date
JPS6227976B2 (en) 1987-06-17

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