GR3027625T3 - Process for preparing double-wall blow-molded articles having a high stretching ratio and products so obtained. - Google Patents

Process for preparing double-wall blow-molded articles having a high stretching ratio and products so obtained.

Info

Publication number
GR3027625T3
GR3027625T3 GR980401803T GR980401803T GR3027625T3 GR 3027625 T3 GR3027625 T3 GR 3027625T3 GR 980401803 T GR980401803 T GR 980401803T GR 980401803 T GR980401803 T GR 980401803T GR 3027625 T3 GR3027625 T3 GR 3027625T3
Authority
GR
Greece
Prior art keywords
mold
blow
molded articles
stretching ratio
high stretching
Prior art date
Application number
GR980401803T
Other languages
English (en)
Inventor
Antonio Addeo
Aurelio Biscotti
Vincenzo Cocca
Lucio Pinetti
Original Assignee
Himont Italia
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11185870&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR3027625(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Himont Italia filed Critical Himont Italia
Publication of GR3027625T3 publication Critical patent/GR3027625T3/el

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
    • B29C49/0031—Making articles having hollow walls
    • 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
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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
    • B29C2049/4807—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by movable mould parts in 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0811—Wall thickness
    • 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
    • B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
    • B29C49/4283—Deforming the finished article

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Medicinal Preparation (AREA)
  • Catalysts (AREA)
GR980401803T 1990-10-12 1998-08-12 Process for preparing double-wall blow-molded articles having a high stretching ratio and products so obtained. GR3027625T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02171790A IT1243735B (it) 1990-10-12 1990-10-12 Procedimento per la preparazione di manufatti soffiati a doppia parete e ad elevato rapporto di stiro e prodotti cosi' ottenuti.

Publications (1)

Publication Number Publication Date
GR3027625T3 true GR3027625T3 (en) 1998-11-30

Family

ID=11185870

Family Applications (1)

Application Number Title Priority Date Filing Date
GR980401803T GR3027625T3 (en) 1990-10-12 1998-08-12 Process for preparing double-wall blow-molded articles having a high stretching ratio and products so obtained.

Country Status (10)

Country Link
EP (1) EP0480457B2 (el)
JP (1) JPH05245915A (el)
KR (1) KR920007774A (el)
AT (1) ATE122600T1 (el)
DE (1) DE69109796T3 (el)
DK (1) DK0480457T4 (el)
ES (1) ES2072508T5 (el)
GR (1) GR3027625T3 (el)
IT (1) IT1243735B (el)
TW (1) TW247292B (el)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663672A (en) * 1969-09-18 1972-05-16 Grace W R & Co Process for preparing a parison for blow molding
US3892829A (en) * 1973-10-03 1975-07-01 Owens Illinois Inc Method of making blown plastic articles
US4423000A (en) * 1980-10-17 1983-12-27 Syoichi Teraoka Method for molding hollow plastic articles
DE3721690C1 (en) * 1987-07-01 1988-07-28 Schmalbach Lubeca Device for producing a fuel tank

Also Published As

Publication number Publication date
TW247292B (el) 1995-05-11
IT9021717A0 (it) 1990-10-12
DK0480457T4 (da) 1999-04-26
DE69109796D1 (de) 1995-06-22
ATE122600T1 (de) 1995-06-15
EP0480457A1 (en) 1992-04-15
IT9021717A1 (it) 1992-04-12
ES2072508T3 (es) 1995-07-16
DK0480457T3 (da) 1995-07-10
IT1243735B (it) 1994-06-21
DE69109796T2 (de) 1995-11-23
ES2072508T5 (es) 1998-11-01
EP0480457B2 (en) 1998-07-29
JPH05245915A (ja) 1993-09-24
DE69109796T3 (de) 1998-11-12
KR920007774A (ko) 1992-05-27
EP0480457B1 (en) 1995-05-17

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