ITMI931209A0 - SET OF TOOLS FOR THE PRODUCTION OF BLOWN SHEETS IN THERMOPLASTIC SYNTHETIC MATERIAL - Google Patents

SET OF TOOLS FOR THE PRODUCTION OF BLOWN SHEETS IN THERMOPLASTIC SYNTHETIC MATERIAL

Info

Publication number
ITMI931209A0
ITMI931209A0 IT93MI1209A ITMI931209A ITMI931209A0 IT MI931209 A0 ITMI931209 A0 IT MI931209A0 IT 93MI1209 A IT93MI1209 A IT 93MI1209A IT MI931209 A ITMI931209 A IT MI931209A IT MI931209 A0 ITMI931209 A0 IT MI931209A0
Authority
IT
Italy
Prior art keywords
tools
production
synthetic material
thermoplastic synthetic
blown sheets
Prior art date
Application number
IT93MI1209A
Other languages
Italian (it)
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 filed Critical
Publication of ITMI931209A0 publication Critical patent/ITMI931209A0/en
Publication of ITMI931209A1 publication Critical patent/ITMI931209A1/en
Application granted granted Critical
Publication of IT1264467B1 publication Critical patent/IT1264467B1/en

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29L2023/001—Tubular films, sleeves
IT93MI001209A 1992-06-10 1993-06-08 SET OF TOOLS FOR THE PRODUCTION OF BLOWN SHEETS IN THERMOPLASTIC SYNTHETIC MATERIAL IT1264467B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4218996A DE4218996C2 (en) 1992-06-10 1992-06-10 Tool unit for the production of blown films from thermoplastic

Publications (3)

Publication Number Publication Date
ITMI931209A0 true ITMI931209A0 (en) 1993-06-08
ITMI931209A1 ITMI931209A1 (en) 1994-12-08
IT1264467B1 IT1264467B1 (en) 1996-09-23

Family

ID=6460726

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI001209A IT1264467B1 (en) 1992-06-10 1993-06-08 SET OF TOOLS FOR THE PRODUCTION OF BLOWN SHEETS IN THERMOPLASTIC SYNTHETIC MATERIAL

Country Status (2)

Country Link
DE (1) DE4218996C2 (en)
IT (1) IT1264467B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800000807A1 (en) * 2018-01-12 2019-07-12 Colines Spa Method for adjusting the profile of a film in blown extrusion lines, relative film and reel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR880001768B1 (en) * 1981-10-30 1988-09-13 스즈끼 세이지 Apparatus for forming blown films
DE4013610A1 (en) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Blown film extruder thickness error corrector - comprises elastically deformable annular die lip acted upon by piezoelectric elements

Also Published As

Publication number Publication date
ITMI931209A1 (en) 1994-12-08
DE4218996A1 (en) 1993-12-16
IT1264467B1 (en) 1996-09-23
DE4218996C2 (en) 1994-08-11

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970626