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1. WO1992015439 - METHOD FOR TEMPERING A MOULDING TOOL

Publication Number WO/1992/015439
Publication Date 17.09.1992
International Application No. PCT/SE1992/000135
International Filing Date 04.03.1992
Chapter 2 Demand Filed 25.09.1992
IPC
B29C 33/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
02with incorporated heating or cooling means
04using liquids, gas or steam
B29C 33/38 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
38characterised by the material or the manufacturing process
B29C 35/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
B29C 35/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanising
04using liquids, gas or steam
B29C 35/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
16Cooling
B29C 45/73 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17Component parts, details or accessories; Auxiliary operations
72Heating or cooling
73of the mould
CPC
B29C 2035/1658
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
16Cooling
1658using gas
B29C 33/046
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
02with incorporated heating or cooling means
04using liquids, gas or steam
046using gas
B29C 33/3814
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
38characterised by the material or the manufacturing process
3814Porous moulds
B29C 35/007
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
007Tempering units for temperature control of moulds or cores, e.g. comprising heat exchangers, controlled valves, temperature-controlled circuits for fluids
B29C 35/045
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanizing ; during moulding, e.g. in a mould
04using liquids, gas or steam
045using gas or flames
B29C 45/7337
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17Component parts, details or accessories; Auxiliary operations
72Heating or cooling
73of the mould
7337using gas or steam
Applicants
  • TOOLVAC ENGINEERING AB [SE]/[SE] (AllExceptUS)
  • LARSSON, Owe, Gunnar, Torbjörn [SE]/[SE] (UsOnly)
Inventors
  • LARSSON, Owe, Gunnar, Torbjörn
Agents
  • STENBERG, Yngve
Priority Data
9100663-505.03.1991SE
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR TEMPERING A MOULDING TOOL
(FR) METHODE DE REALISATION DU REVENU D'UN OUTIL DE MOULAGE
Abstract
(EN)
Method for tempering a moulding tool intended for production of products of natural or synthetic polymers, which moulding tool includes one or more moulding parts (3, 4) made of sintered metal with communicating pores obtained by pressing at a high pressure and sintering at a high temperature of a powdered material, in which moulding part or parts (3, 4) a moulding cavity (9) has then been made, whereby preferably the outer envelope surface of the moulding tool is tight. The method comprises tightly connecting one or more channels, capillary tubes (6, 8) or the like through the tight outer envelope surface to the mould material of the moulding tool situated inside, which material contains a large number of small communicating pores and feeding a gas having a suitable state and a suitable temperature through the channels thereby causing a rapid tempering of the moulding tool to a desired extent.
(FR)
On décrit une méthode de réalisation du revenu d'un outil de moulage destiné à la production de produits en polymères naturels ou synthétiques et comprenant un ou plusieurs éléments de moulage (3, 4) en métal fritté dotés de pores communiquants obtenus par emboutissage à haute pression et par frittage à haute température d'une matière pulvérulente, et dans lesquels une cavité de moulage (9) a été réalisée, la surface extérieure de l'outil de moulage étant de préférence étanche. Selon ladite méthode un ou plusieurs canaux, tubes capillaires (6, 8) ou analogues qui traversent la surface extérieure de l'enveloppe étanche sont reliés à la matière de moulage de l'outil de moulage situé à l'intérieur, ladite matière étant dotée d'un grand nombre de pores communiquants, et on envoie par lesdits canaux un gaz de nature et de température appropriées afin de provoquer rapidement et dans la mesure souhaitée le revenu de l'outil de moulage.
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