GB1503744A - Process and apparatus for moulding hollow plastics articles - Google Patents

Process and apparatus for moulding hollow plastics articles

Info

Publication number
GB1503744A
GB1503744A GB9192/75A GB919275A GB1503744A GB 1503744 A GB1503744 A GB 1503744A GB 9192/75 A GB9192/75 A GB 9192/75A GB 919275 A GB919275 A GB 919275A GB 1503744 A GB1503744 A GB 1503744A
Authority
GB
United Kingdom
Prior art keywords
blow
station
hollow body
core
pin
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.)
Expired
Application number
GB9192/75A
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.)
National Can Corp
Original Assignee
National Can Corp
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 National Can Corp filed Critical National Can Corp
Publication of GB1503744A publication Critical patent/GB1503744A/en
Expired 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
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • 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
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • B29C49/06—Injection 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6427—Cooling of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable

Landscapes

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

Abstract

1503744 Porous blow moulding core NATIONAL CAN CORP 5 March 1975 [5 March 1974] 9192/75 Heading B5A A blow moulding parison 34 comprising two layers, e.g. a barrier layer and a dissimilar layer, is formed by injection moulding one layer about a pre-formed liner 26 retained on a porous core 18 by suction to prevent creasing of the liner. At station A the liners are fed on to a plurality of cores 18 attached to one face of a rotary turret 12. The cores are rotated in steps to injection moulding station B, blow moulding station C, and delivery station D where the blow moulded articles are mechanically ejected on to a conveyer 42. The blow cores 18 comprise a hollow body 54, Fig. 3, in which the blow head 52 is mounted and urged into contact with the rim 94 of the body by a spring 96. The blow pin comprises a tubular portion 72 having a porous end 74, and a support member 62 engaging the tubular portion by means of a thread 78. Suction to retain a liner or temperature conditioning fluid is applied through the hollow body 54, holes 68 in the base of the core pin 52, and via the helical grooves of the support member 62 to the porous end 74 of the pin. At the blow moulding station the core pin is mechanically displaced outwardly from the hollow body and compressed air is fed into the parison through the hollow body 54 and between it and the core pin 52 around the rim 94.
GB9192/75A 1974-03-05 1975-03-05 Process and apparatus for moulding hollow plastics articles Expired GB1503744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44819174A 1974-03-05 1974-03-05

Publications (1)

Publication Number Publication Date
GB1503744A true GB1503744A (en) 1978-03-15

Family

ID=23779354

Family Applications (2)

Application Number Title Priority Date Filing Date
GB41490/77A Expired GB1503745A (en) 1974-03-05 1975-03-05 Porous core rod
GB9192/75A Expired GB1503744A (en) 1974-03-05 1975-03-05 Process and apparatus for moulding hollow plastics articles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB41490/77A Expired GB1503745A (en) 1974-03-05 1975-03-05 Porous core rod

Country Status (5)

Country Link
JP (1) JPS5753176B2 (en)
CA (1) CA1035525A (en)
CH (1) CH593124A5 (en)
DE (1) DE2509612C2 (en)
GB (2) GB1503745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248420A (en) * 2021-12-11 2022-03-29 张家港市纽迈机械有限公司 Notes blow mandrel with spiral gas blow groove structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611232A (en) * 1979-07-10 1981-02-04 Yoshino Kogyosho Co Ltd Jig for stretch blow molding piece
DE3512953A1 (en) * 1985-04-11 1986-11-06 Daimler-Benz Ag, 7000 Stuttgart Seat facing the central aisle in a bus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170970A (en) * 1962-01-23 1965-02-23 Owens Illinois Glass Co Method for making plastic articles
DE1922322B2 (en) * 1969-05-02 1978-05-24 Dynamit Nobel Ag, 5210 Troisdorf Device for injection blow molding of a hollow body
CH536704A (en) * 1970-09-14 1973-05-15 Valyi Emery I Process for the production of a multi-layer hollow body made of plastic, device for carrying out the process and multi-layer hollow body produced according to this process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248420A (en) * 2021-12-11 2022-03-29 张家港市纽迈机械有限公司 Notes blow mandrel with spiral gas blow groove structure

Also Published As

Publication number Publication date
JPS5753176B2 (en) 1982-11-11
JPS50135170A (en) 1975-10-27
GB1503745A (en) 1978-03-15
DE2509612A1 (en) 1975-09-11
CH593124A5 (en) 1977-11-30
CA1035525A (en) 1978-08-01
DE2509612C2 (en) 1986-05-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930305