JPS6422528A - Manufacture of flanged container by blow molding - Google Patents

Manufacture of flanged container by blow molding

Info

Publication number
JPS6422528A
JPS6422528A JP17720987A JP17720987A JPS6422528A JP S6422528 A JPS6422528 A JP S6422528A JP 17720987 A JP17720987 A JP 17720987A JP 17720987 A JP17720987 A JP 17720987A JP S6422528 A JPS6422528 A JP S6422528A
Authority
JP
Japan
Prior art keywords
container
parison
forces
force
bottom force
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
JP17720987A
Other languages
Japanese (ja)
Other versions
JPH0624762B2 (en
Inventor
Masataka Oka
Rikio Kuroda
Masami Furukawa
Koji Murooka
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.)
MUROOKA SANGYO KK
Eneos Corp
Original Assignee
MUROOKA SANGYO KK
Nippon Petrochemicals 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 MUROOKA SANGYO KK, Nippon Petrochemicals Co Ltd filed Critical MUROOKA SANGYO KK
Priority to JP62177209A priority Critical patent/JPH0624762B2/en
Publication of JPS6422528A publication Critical patent/JPS6422528A/en
Publication of JPH0624762B2 publication Critical patent/JPH0624762B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • B29C2049/4805—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by closing the mould halves
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To make it possible to manufacture a container having a thick and broad flange by a method wherein a resin well, which corresponds to the flange part of the flanged container to be molded, is provided on a vertically movable bottom force and a parison, which is supplied in between the bottom force and top forces, is blow-molded. CONSTITUTION:Under the state that top forces 1 and a bottom force 3 are apart from each other, a parison 4 is lowered divergently so as to locate the lower part of the parison 4 above an annularly grooved resin well 3b, which is formed around a resin retaining core 3a at the center of the bottom force 1. Next, a pair of the top forces 1 are brought into contact with each other and simultaneously the bottom force 2 is raised so as to bring into contact with the lower parts of the top forces 1 in order to form the flange part 6a of a container 6 by bringing the lower part of the parison 4 locating in the resin well 3b into contact with the undersides of the top forces 1. At the same time, air is blown into the parison 4 in the top and bottom forces 1 and 2 in order to form the side part and bottom part of the container out of the parson 4 in the top force 1. As a result, the container 6 having a thick and broad flange 6a can be obtained.
JP62177209A 1987-07-17 1987-07-17 Method of manufacturing flanged container by blow molding Expired - Fee Related JPH0624762B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62177209A JPH0624762B2 (en) 1987-07-17 1987-07-17 Method of manufacturing flanged container by blow molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62177209A JPH0624762B2 (en) 1987-07-17 1987-07-17 Method of manufacturing flanged container by blow molding

Publications (2)

Publication Number Publication Date
JPS6422528A true JPS6422528A (en) 1989-01-25
JPH0624762B2 JPH0624762B2 (en) 1994-04-06

Family

ID=16027078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62177209A Expired - Fee Related JPH0624762B2 (en) 1987-07-17 1987-07-17 Method of manufacturing flanged container by blow molding

Country Status (1)

Country Link
JP (1) JPH0624762B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6916167B2 (en) * 2001-08-13 2005-07-12 David Johnson Method and apparatus for extrusion blow molding of shapes with an even wall thickness and varying radii

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078720A (en) * 1983-10-05 1985-05-04 Showa Denko Kk Forming of container with flanged edge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078720A (en) * 1983-10-05 1985-05-04 Showa Denko Kk Forming of container with flanged edge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6916167B2 (en) * 2001-08-13 2005-07-12 David Johnson Method and apparatus for extrusion blow molding of shapes with an even wall thickness and varying radii

Also Published As

Publication number Publication date
JPH0624762B2 (en) 1994-04-06

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