NZ328575A - - Google Patents

Info

Publication number
NZ328575A
NZ328575A NZ32857598A NZ32857598A NZ328575A NZ 328575 A NZ328575 A NZ 328575A NZ 32857598 A NZ32857598 A NZ 32857598A NZ 32857598 A NZ32857598 A NZ 32857598A NZ 328575 A NZ328575 A NZ 328575A
Authority
NZ
New Zealand
Prior art keywords
diaphragms
wood fibres
mould
composite material
thermoplastic composite
Prior art date
Application number
NZ32857598A
Inventor
Martyn Evan Bowis
Mervyn Uprichard
Original Assignee
Nz Forest Research Inst Ltd
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 Nz Forest Research Inst Ltd filed Critical Nz Forest Research Inst Ltd
Priority to NZ32857598A priority Critical patent/NZ328575A/xx
Publication of NZ328575A publication Critical patent/NZ328575A/xx

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Landscapes

  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

diaphragm thermoformer for thermoforming a wood fibres-thermoplastic composite material such as wood fibres and polypropylene comprises at least one pair of flexible diaphragms 26 mountable adjacent a mould 29 on one side of the pair of diaphragms and an inlet into and outlet from a space between the diaphragms enabling hot fluid to be circulated between the diaphragms to heat a wood fibres-thermoplastic composite material placed between the diaphragms and the mould. A space is on the other side of the pair of diaphragms. A fluid under pressure may be introduced into the space, to force the diaphragms and the wood fibres-thermoplastic composite material against the mould after heating and cause the removal of the hot fluid from between diaphragms 26, to shape the wood fibres-thermoplastic composite material to a mould.
NZ32857598A 1998-08-21 1998-08-21 NZ328575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ32857598A NZ328575A (en) 1998-08-21 1998-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ32857598A NZ328575A (en) 1998-08-21 1998-08-21

Publications (1)

Publication Number Publication Date
NZ328575A true NZ328575A (en) 2000-01-28

Family

ID=19926407

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ32857598A NZ328575A (en) 1998-08-21 1998-08-21

Country Status (1)

Country Link
NZ (1) NZ328575A (en)

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Legal Events

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Free format text: THE OWNER HAS BEEN CORRECTED TO 1409547, NEW ZEALAND FOREST RESEARCH INSTITUTE LIMITED, SCION, 49 SALA STREET, ROTORUA 3010, NZ

Effective date: 20140306