IT1089304B - Procedimento perfezionato per la termoformatura di foglie inpolipropilene - Google Patents

Procedimento perfezionato per la termoformatura di foglie inpolipropilene

Info

Publication number
IT1089304B
IT1089304B IT2963677A IT2963677A IT1089304B IT 1089304 B IT1089304 B IT 1089304B IT 2963677 A IT2963677 A IT 2963677A IT 2963677 A IT2963677 A IT 2963677A IT 1089304 B IT1089304 B IT 1089304B
Authority
IT
Italy
Prior art keywords
sheet
temp
moulding
point
heating zone
Prior art date
Application number
IT2963677A
Other languages
English (en)
Italian (it)
Original Assignee
Plastiform Srl
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 Plastiform Srl filed Critical Plastiform Srl
Priority to IT2963677A priority Critical patent/IT1089304B/it
Priority to BE0/195681A priority patent/BE876903A/fr
Application granted granted Critical
Publication of IT1089304B publication Critical patent/IT1089304B/it

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
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C51/002—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 characterised by the choice of material
    • 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
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/426—Producing specific thermal regimes during thermoforming to obtain particular properties
    • 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
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
IT2963677A 1977-11-14 1977-11-14 Procedimento perfezionato per la termoformatura di foglie inpolipropilene IT1089304B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2963677A IT1089304B (it) 1977-11-14 1977-11-14 Procedimento perfezionato per la termoformatura di foglie inpolipropilene
BE0/195681A BE876903A (fr) 1977-11-14 1979-06-11 Procede perfectionne pour le thermoformage de polypropylene en feuilles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2963677A IT1089304B (it) 1977-11-14 1977-11-14 Procedimento perfezionato per la termoformatura di foglie inpolipropilene

Publications (1)

Publication Number Publication Date
IT1089304B true IT1089304B (it) 1985-06-18

Family

ID=11228154

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2963677A IT1089304B (it) 1977-11-14 1977-11-14 Procedimento perfezionato per la termoformatura di foglie inpolipropilene

Country Status (2)

Country Link
BE (1) BE876903A (fr)
IT (1) IT1089304B (fr)

Also Published As

Publication number Publication date
BE876903A (fr) 1979-10-01

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