DK122439B - Method for vacuum forming sharp-edged, hollow objects of thermoplastic material. - Google Patents

Method for vacuum forming sharp-edged, hollow objects of thermoplastic material.

Info

Publication number
DK122439B
DK122439B DK373069A DK373069A DK122439B DK 122439 B DK122439 B DK 122439B DK 373069 A DK373069 A DK 373069A DK 373069 A DK373069 A DK 373069A DK 122439 B DK122439 B DK 122439B
Authority
DK
Denmark
Prior art keywords
edged
thermoplastic material
vacuum forming
hollow objects
forming sharp
Prior art date
Application number
DK373069A
Other languages
Danish (da)
Inventor
I Ronzoni
V Adami
G Luca
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of DK122439B publication Critical patent/DK122439B/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
    • 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
    • B29C51/30—Moulds
    • B29C51/34—Moulds for undercut articles
    • 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
    • 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
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
    • B29C51/087—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts with at least one of the mould parts comprising independently movable sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
DK373069A 1968-07-12 1969-07-10 Method for vacuum forming sharp-edged, hollow objects of thermoplastic material. DK122439B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1888068 1968-07-12

Publications (1)

Publication Number Publication Date
DK122439B true DK122439B (en) 1972-03-06

Family

ID=11153620

Family Applications (1)

Application Number Title Priority Date Filing Date
DK373069A DK122439B (en) 1968-07-12 1969-07-10 Method for vacuum forming sharp-edged, hollow objects of thermoplastic material.

Country Status (7)

Country Link
BE (1) BE736012A (en)
DE (1) DE1935245A1 (en)
DK (1) DK122439B (en)
FR (1) FR2013740A1 (en)
GB (1) GB1277757A (en)
NL (1) NL6910616A (en)
SE (1) SE374051B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002560B1 (en) * 1980-01-25 1981-06-11 Kunststoffwerk Philippine Gmbh & Co Kg, 5420 Lahnstein Method and device for back-foaming soft foam plastic films with hard foam plastic
DE3327581A1 (en) * 1983-07-30 1985-02-14 Enzler + Co, 8873 Ichenhausen PALLET SYSTEM
EP0186015B1 (en) * 1984-12-07 1991-04-17 Sumitomo Chemical Company, Limited A method of making a laminated body and a molding apparatus for the same
ITUD20030028A1 (en) * 2003-02-05 2004-08-06 G M P Spa MOLDING EQUIPMENT FOR THE PRODUCTION OF POLYURETHANE PRODUCTS AND RELATED PROCEDURE.

Also Published As

Publication number Publication date
DE1935245A1 (en) 1970-08-27
GB1277757A (en) 1972-06-14
SE374051B (en) 1975-02-24
BE736012A (en) 1970-01-12
NL6910616A (en) 1970-01-14
FR2013740A1 (en) 1970-04-10

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