HUT51959A - Method and apparatus for forming one- or multi-layer thermoplastic plates by using of pressure of vapours and/or gases - Google Patents

Method and apparatus for forming one- or multi-layer thermoplastic plates by using of pressure of vapours and/or gases

Info

Publication number
HUT51959A
HUT51959A HU227687A HU227687A HUT51959A HU T51959 A HUT51959 A HU T51959A HU 227687 A HU227687 A HU 227687A HU 227687 A HU227687 A HU 227687A HU T51959 A HUT51959 A HU T51959A
Authority
HU
Hungary
Prior art keywords
pressure
pattern
vapours
gases
forming
Prior art date
Application number
HU227687A
Other languages
Hungarian (hu)
Other versions
HU204723B (en
Inventor
Matyas Farkas
Gyoergy Morvay
Tibor Szabo
Jozsef Zsebenyi
Original Assignee
Alkoto Ifjusag Egyesueles
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 Alkoto Ifjusag Egyesueles filed Critical Alkoto Ifjusag Egyesueles
Priority to HU227687A priority Critical patent/HU204723B/en
Publication of HUT51959A publication Critical patent/HUT51959A/en
Publication of HU204723B publication Critical patent/HU204723B/en

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

According to the proposed method the single or multi-layer sheet of thermo-plastic material is heated and forced onto the pattern by the application of vacuum. The pattern is also warmed and above-atmospheric pressure is applied to the outside of the sheet, while it is kept warm. The proposed equipment comprises primary space with a vacuum connection, heating element and pattern, closed off by the thermoplastic sheet. Secondary space formed by a pressure tight enclosure. It is provided with pressurising steam-gas connection and heating element.
HU227687A 1987-05-21 1987-05-21 Method and apparatus for forming thermoplastic plates of single- and multi-layer HU204723B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU227687A HU204723B (en) 1987-05-21 1987-05-21 Method and apparatus for forming thermoplastic plates of single- and multi-layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU227687A HU204723B (en) 1987-05-21 1987-05-21 Method and apparatus for forming thermoplastic plates of single- and multi-layer

Publications (2)

Publication Number Publication Date
HUT51959A true HUT51959A (en) 1990-06-28
HU204723B HU204723B (en) 1992-02-28

Family

ID=10958640

Family Applications (1)

Application Number Title Priority Date Filing Date
HU227687A HU204723B (en) 1987-05-21 1987-05-21 Method and apparatus for forming thermoplastic plates of single- and multi-layer

Country Status (1)

Country Link
HU (1) HU204723B (en)

Also Published As

Publication number Publication date
HU204723B (en) 1992-02-28

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee