JPS57178726A - Molding method and apparatus of bend composed of plastics material - Google Patents

Molding method and apparatus of bend composed of plastics material

Info

Publication number
JPS57178726A
JPS57178726A JP56064520A JP6452081A JPS57178726A JP S57178726 A JPS57178726 A JP S57178726A JP 56064520 A JP56064520 A JP 56064520A JP 6452081 A JP6452081 A JP 6452081A JP S57178726 A JPS57178726 A JP S57178726A
Authority
JP
Japan
Prior art keywords
parison
small diameter
mold
bend
cavity
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
JP56064520A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6132128B2 (enrdf_load_stackoverflow
Inventor
Shoichi Teraoka
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP56064520A priority Critical patent/JPS57178726A/ja
Publication of JPS57178726A publication Critical patent/JPS57178726A/ja
Publication of JPS6132128B2 publication Critical patent/JPS6132128B2/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
    • B29C49/4242—Means for deforming the parison prior to the blowing operation
    • 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
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/48185—Moulds with more than one separate mould cavity
    • B29C49/4819—Moulds with more than one separate mould cavity having different sizes or shapes of the mould cavities
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C49/4242—Means for deforming the parison prior to the blowing operation
    • B29C49/42421—Means for deforming the parison prior to the blowing operation before laying into the mould
    • B29C49/42426—Means for deforming the parison prior to the blowing operation before laying into the mould by pressure difference deforming parts of the preform
    • 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
    • B29C49/4242—Means for deforming the parison prior to the blowing operation
    • B29C49/4244—Means for deforming the parison prior to the blowing operation during or after laying preform into the final mould
    • B29C49/42454—The mould opening plane being vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/004—Bent tubes

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)
JP56064520A 1981-04-27 1981-04-27 Molding method and apparatus of bend composed of plastics material Granted JPS57178726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56064520A JPS57178726A (en) 1981-04-27 1981-04-27 Molding method and apparatus of bend composed of plastics material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56064520A JPS57178726A (en) 1981-04-27 1981-04-27 Molding method and apparatus of bend composed of plastics material

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61005534A Division JPS61179718A (ja) 1986-01-14 1986-01-14 プラスチツク材料よりなる曲管の成形法

Publications (2)

Publication Number Publication Date
JPS57178726A true JPS57178726A (en) 1982-11-04
JPS6132128B2 JPS6132128B2 (enrdf_load_stackoverflow) 1986-07-24

Family

ID=13260567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56064520A Granted JPS57178726A (en) 1981-04-27 1981-04-27 Molding method and apparatus of bend composed of plastics material

Country Status (1)

Country Link
JP (1) JPS57178726A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444726A (en) * 1987-08-11 1989-02-17 Kenjiyuurou Yagi Preparation of three-dimensional plastic pipe
EP0647517A3 (en) * 1993-10-06 1995-08-09 Johnson & Johnson Consumer Forms of irregular objects.
US6168750B1 (en) 1997-12-30 2001-01-02 Solvay, S.A. (Societe Anonyme) System and method for preforming an extruded parison

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344121U (enrdf_load_stackoverflow) * 1986-09-08 1988-03-24
JPH0563059A (ja) * 1991-09-05 1993-03-12 Hitachi Ltd 搬送装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54112965A (en) * 1978-02-22 1979-09-04 Teraoka Shoichi Molding method
JPS562130A (en) * 1979-06-21 1981-01-10 Showa Denko Kk Molding method for bent pipe in synthetic resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54112965A (en) * 1978-02-22 1979-09-04 Teraoka Shoichi Molding method
JPS562130A (en) * 1979-06-21 1981-01-10 Showa Denko Kk Molding method for bent pipe in synthetic resin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6444726A (en) * 1987-08-11 1989-02-17 Kenjiyuurou Yagi Preparation of three-dimensional plastic pipe
EP0647517A3 (en) * 1993-10-06 1995-08-09 Johnson & Johnson Consumer Forms of irregular objects.
US6168750B1 (en) 1997-12-30 2001-01-02 Solvay, S.A. (Societe Anonyme) System and method for preforming an extruded parison

Also Published As

Publication number Publication date
JPS6132128B2 (enrdf_load_stackoverflow) 1986-07-24

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