JPS564421A - Molding method of plastic packaging container - Google Patents

Molding method of plastic packaging container

Info

Publication number
JPS564421A
JPS564421A JP7810579A JP7810579A JPS564421A JP S564421 A JPS564421 A JP S564421A JP 7810579 A JP7810579 A JP 7810579A JP 7810579 A JP7810579 A JP 7810579A JP S564421 A JPS564421 A JP S564421A
Authority
JP
Japan
Prior art keywords
container
film
compressed air
contacted
metallic plate
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
JP7810579A
Other languages
Japanese (ja)
Inventor
Shigeo Hasegawa
Koji Matsuoka
Terushige Nakamura
Yoshiyuki Hayasaka
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP7810579A priority Critical patent/JPS564421A/en
Publication of JPS564421A publication Critical patent/JPS564421A/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations

Abstract

PURPOSE:To obtain a plastic packaging container with a uniform thickness such as a deep drawn container or a container having a complicated configuration by a method wherein a preheated film is contacted with a metallic plate located at an opposing position to a mold by blowing compressed air, thereafter, the film is reversed and molded into a predetermined configuration. CONSTITUTION:A preheated thermoplastic plastic film 6 is contacted with a metallic plate 10 provided at a position opposing to a container molding mold 7 by blowing compressed air from the container molding mold 7 side through a compressed air introducing port 9 and is extended so that an internal volume thereof becomes smaller than the same of a desired molded container. Subsequently, the film 6 is reversed by blowing out the compressed air from the metallic plate 10 side and the film 6 is extended and molded until it is perfectly contacted with the container molding mold 7 closely. EFFECT:The minimum thickness of the film required for the molding in a prior art may be reduced remarkably.
JP7810579A 1979-06-22 1979-06-22 Molding method of plastic packaging container Pending JPS564421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7810579A JPS564421A (en) 1979-06-22 1979-06-22 Molding method of plastic packaging container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7810579A JPS564421A (en) 1979-06-22 1979-06-22 Molding method of plastic packaging container

Publications (1)

Publication Number Publication Date
JPS564421A true JPS564421A (en) 1981-01-17

Family

ID=13652598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7810579A Pending JPS564421A (en) 1979-06-22 1979-06-22 Molding method of plastic packaging container

Country Status (1)

Country Link
JP (1) JPS564421A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6092826A (en) * 1983-10-26 1985-05-24 Shin Kobe Electric Mach Co Ltd Pressure air forming method
JP2004269004A (en) * 2003-03-11 2004-09-30 Ckd Corp Manufacturing device for ptp sheet
JP2007098580A (en) * 2005-09-30 2007-04-19 Yamada Kosakusho:Kk Molding method of lid body of extruded container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6092826A (en) * 1983-10-26 1985-05-24 Shin Kobe Electric Mach Co Ltd Pressure air forming method
JPS636347B2 (en) * 1983-10-26 1988-02-09 Shin Kobe Electric Machinery
JP2004269004A (en) * 2003-03-11 2004-09-30 Ckd Corp Manufacturing device for ptp sheet
JP2007098580A (en) * 2005-09-30 2007-04-19 Yamada Kosakusho:Kk Molding method of lid body of extruded container

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