JPS55132223A - Method of shaping container - Google Patents

Method of shaping container

Info

Publication number
JPS55132223A
JPS55132223A JP4074079A JP4074079A JPS55132223A JP S55132223 A JPS55132223 A JP S55132223A JP 4074079 A JP4074079 A JP 4074079A JP 4074079 A JP4074079 A JP 4074079A JP S55132223 A JPS55132223 A JP S55132223A
Authority
JP
Japan
Prior art keywords
parison
container
air
burr
deformed
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
JP4074079A
Other languages
Japanese (ja)
Inventor
Seitaro Hirasawa
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.)
HIRAZAWA KK
Original Assignee
HIRAZAWA KK
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 HIRAZAWA KK filed Critical HIRAZAWA KK
Priority to JP4074079A priority Critical patent/JPS55132223A/en
Publication of JPS55132223A publication Critical patent/JPS55132223A/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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/18—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using several blowing steps
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/16—Biaxial stretching during blow-moulding using pressure difference for pre-stretching, e.g. pre-blowing
    • B29C49/1602—Biaxial stretching during blow-moulding using pressure difference for pre-stretching, e.g. pre-blowing pre-blowing without using a mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To shape a container without burr in accordance with a hollow shaping method, by expanding a parison into a form like that of the inside of a metal mold by air pressure before inserting the parison into the mold. CONSTITUTION:A parison A is shaped into a relatively small diameter by a die 1 having a blowing port 4, on the basis of the small diameter part of a container to be manufactured. Before the parison A is inserted into a metal mold, air is injected through the blowing port 4' so that a portion of the parison is expanded into a form like that of the container by the pressure of the air. The deformed parsion A is then inserted into a pair of split metal molds 2' 2'. Air is injected again to shape the parison to make the cylinder. The parison does not have a portion, which is pressed and deformed between the metal molds 2', 2' and becomes burr. Therefore, the container has no burr.
JP4074079A 1979-04-04 1979-04-04 Method of shaping container Pending JPS55132223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4074079A JPS55132223A (en) 1979-04-04 1979-04-04 Method of shaping container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4074079A JPS55132223A (en) 1979-04-04 1979-04-04 Method of shaping container

Publications (1)

Publication Number Publication Date
JPS55132223A true JPS55132223A (en) 1980-10-14

Family

ID=12589022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4074079A Pending JPS55132223A (en) 1979-04-04 1979-04-04 Method of shaping container

Country Status (1)

Country Link
JP (1) JPS55132223A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344618A4 (en) * 2000-12-20 2004-11-17 Yoshino Kogyosho Co Ltd Synthetic resin biaxial oriented blow formed preform for forming bottle body
CN109317554A (en) * 2018-10-24 2019-02-12 佛山市顺德区金帝实业有限公司 A kind of the heating pressing shaping device and its forming method of profiled metal container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344618A4 (en) * 2000-12-20 2004-11-17 Yoshino Kogyosho Co Ltd Synthetic resin biaxial oriented blow formed preform for forming bottle body
US7115309B2 (en) 2000-12-20 2006-10-03 Yoshino Kogyosho Co., Ltd. Synthetic resin preform to be biaxially stretched and blow molded into a bottle
US7964257B2 (en) 2000-12-20 2011-06-21 Yoshino Kogyosho Co., Ltd. Synthetic resin preform to be biaxially stretched and blow molded into a bottle
CN109317554A (en) * 2018-10-24 2019-02-12 佛山市顺德区金帝实业有限公司 A kind of the heating pressing shaping device and its forming method of profiled metal container

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