ES442384A1 - Procedure for making hollow molded pieces. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for making hollow molded pieces. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES442384A1
ES442384A1 ES442384A ES442384A ES442384A1 ES 442384 A1 ES442384 A1 ES 442384A1 ES 442384 A ES442384 A ES 442384A ES 442384 A ES442384 A ES 442384A ES 442384 A1 ES442384 A1 ES 442384A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
axial thrust
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
ES442384A
Other languages
Spanish (es)
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.)
Aiscondel SA
Original Assignee
Aiscondel SA
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 Aiscondel SA filed Critical Aiscondel SA
Publication of ES442384A1 publication Critical patent/ES442384A1/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
    • 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
    • B29C49/58—Blowing means
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
    • 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

Landscapes

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

Abstract

Process for manufacturing hollow molded parts, with a circumferential annular groove open internally and surrounding it, in which the molded part is first injected and then demolded by opening the cavity and impulse of a pressure medium, characterized in that, once finished the injection process and cooled the molded part to the forming temperature, the mold cavity is enlarged by a first axial thrust movement as to the width and depth of a peripheral groove, and because the first axial thrust movement originates a second axial thrust movement in the opposite direction and acting on the front frontal surface of the molded part, which in turn acts as an initiator of the additional demoulding force. (Machine-translation by Google Translate, not legally binding)
ES442384A 1975-01-31 1975-11-06 Procedure for making hollow molded pieces. (Machine-translation by Google Translate, not legally binding) Expired ES442384A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2503913A DE2503913C3 (en) 1975-01-31 1975-01-31 Method and device for producing a tubular hollow body from thermoplastic material

Publications (1)

Publication Number Publication Date
ES442384A1 true ES442384A1 (en) 1977-04-16

Family

ID=5937730

Family Applications (2)

Application Number Title Priority Date Filing Date
ES1975216454U Expired ES216454Y (en) 1975-01-31 1975-11-06 DEVICE FOR MANUFACTURING HOLLOW MOLDED PARTS.
ES442384A Expired ES442384A1 (en) 1975-01-31 1975-11-06 Procedure for making hollow molded pieces. (Machine-translation by Google Translate, not legally binding)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES1975216454U Expired ES216454Y (en) 1975-01-31 1975-11-06 DEVICE FOR MANUFACTURING HOLLOW MOLDED PARTS.

Country Status (2)

Country Link
DE (1) DE2503913C3 (en)
ES (2) ES216454Y (en)

Also Published As

Publication number Publication date
DE2503913A1 (en) 1976-08-05
DE2503913B2 (en) 1978-02-16
DE2503913C3 (en) 1978-10-12
ES216454Y (en) 1976-12-16
ES216454U (en) 1976-08-01

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