JPS57128518A - Detector for mis-blow in injection blow molding machine - Google Patents

Detector for mis-blow in injection blow molding machine

Info

Publication number
JPS57128518A
JPS57128518A JP1440481A JP1440481A JPS57128518A JP S57128518 A JPS57128518 A JP S57128518A JP 1440481 A JP1440481 A JP 1440481A JP 1440481 A JP1440481 A JP 1440481A JP S57128518 A JPS57128518 A JP S57128518A
Authority
JP
Japan
Prior art keywords
blow
pressure
pneumatic
mold
molding machine
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
JP1440481A
Other languages
Japanese (ja)
Other versions
JPS6121128B2 (en
Inventor
Toshiro Matsumaru
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo 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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP1440481A priority Critical patent/JPS57128518A/en
Publication of JPS57128518A publication Critical patent/JPS57128518A/en
Publication of JPS6121128B2 publication Critical patent/JPS6121128B2/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
    • 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
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/80—Testing, e.g. for leaks

Landscapes

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

Abstract

PURPOSE:To detect a mis-blow condition and avoid damaging a mold by a method wherein a transmitting passage and a receiving passage for pneumatic signals are provided in a mold of an injection blow molding machine, and a pressure detector for confirming the pneumatic signal is provided for the receiving passage. CONSTITUTION:After air is blown into a blow molding container so that a closed-end parison 1 is brought into close contact with the mold by the pneumatic pressure, a pneumatic signal having a pressure controlled by a pressure reducing valve 7 is fed through the transmitting passage 5 for the pneumatic signal during cooling. In this case, if the blow-mold article has been perfectly molded, the article is close contact with both blow split molds 3 and a bottom mold 4 under the effect of the blow pressure, so that even when a solenoid change-over valve 10 is operated, the pneumatic pressure is not transmitted to the receiving passage 6 for the signal and, accordingly, the pressure detector 11 is not operated. In the case where the parison 1 is broken in the blow molding process, the pneumatic pressure is transmitted through the receiving passage 6 to operate the pressure detector 11, thereby detecting the abnormal condition and stopping the molding machine.
JP1440481A 1981-02-04 1981-02-04 Detector for mis-blow in injection blow molding machine Granted JPS57128518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1440481A JPS57128518A (en) 1981-02-04 1981-02-04 Detector for mis-blow in injection blow molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1440481A JPS57128518A (en) 1981-02-04 1981-02-04 Detector for mis-blow in injection blow molding machine

Publications (2)

Publication Number Publication Date
JPS57128518A true JPS57128518A (en) 1982-08-10
JPS6121128B2 JPS6121128B2 (en) 1986-05-26

Family

ID=11860103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1440481A Granted JPS57128518A (en) 1981-02-04 1981-02-04 Detector for mis-blow in injection blow molding machine

Country Status (1)

Country Link
JP (1) JPS57128518A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210344A2 (en) * 1985-06-28 1987-02-04 Audi Ag Method of blow-moulding and fluorinating plastics tanks
JPH02130122A (en) * 1988-11-11 1990-05-18 Sumitomo Heavy Ind Ltd Apparatus for judging quality of molded product in injection blow molding machine
WO1991007271A1 (en) * 1989-11-11 1991-05-30 Foerster Wolfgang Control device on a plastic injection blow-moulding device
DE102004061230A1 (en) * 2004-12-16 2006-07-06 Krones Ag Blow molding machine for container, in particular plastic bottle, manufacture has pressure gauge to determine pressure in container and detect leakage
WO2012139705A1 (en) * 2011-04-11 2012-10-18 Rehau Ag + Co Method and device for detecting flaws in blow-molded parts
CN105599280A (en) * 2014-11-17 2016-05-25 克隆尼斯股份有限公司 Pressure regulator device
EP3238911A1 (en) * 2016-04-28 2017-11-01 Sidel Participations Method for forming multi-wall containers
CN117656430A (en) * 2023-12-25 2024-03-08 佛山市合研精密模具科技有限公司 Quick replacement equipment for mould of bottle blowing machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210344A2 (en) * 1985-06-28 1987-02-04 Audi Ag Method of blow-moulding and fluorinating plastics tanks
JPH02130122A (en) * 1988-11-11 1990-05-18 Sumitomo Heavy Ind Ltd Apparatus for judging quality of molded product in injection blow molding machine
WO1991007271A1 (en) * 1989-11-11 1991-05-30 Foerster Wolfgang Control device on a plastic injection blow-moulding device
DE102004061230A1 (en) * 2004-12-16 2006-07-06 Krones Ag Blow molding machine for container, in particular plastic bottle, manufacture has pressure gauge to determine pressure in container and detect leakage
DE102004061230B4 (en) * 2004-12-16 2011-09-29 Krones Ag Blowing machine and blowing process
WO2012139705A1 (en) * 2011-04-11 2012-10-18 Rehau Ag + Co Method and device for detecting flaws in blow-molded parts
DE102011016688B4 (en) * 2011-04-11 2015-03-19 Rehau Ag + Co. Method for detecting defects in blow molded parts
CN105599280A (en) * 2014-11-17 2016-05-25 克隆尼斯股份有限公司 Pressure regulator device
EP3238911A1 (en) * 2016-04-28 2017-11-01 Sidel Participations Method for forming multi-wall containers
FR3050680A1 (en) * 2016-04-28 2017-11-03 Sidel Participations METHOD FOR FORMING MULTI-WALL CONTAINERS
CN117656430A (en) * 2023-12-25 2024-03-08 佛山市合研精密模具科技有限公司 Quick replacement equipment for mould of bottle blowing machine

Also Published As

Publication number Publication date
JPS6121128B2 (en) 1986-05-26

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