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1. (WO1991005647) ROTATIONAL MOULDING APPARATUS AND PROCESS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/005647 International Application No.: PCT/GB1990/001569
Publication Date: 02.05.1991 International Filing Date: 11.10.1990
Chapter 2 Demand Filed: 07.05.1991
IPC:
B29C 41/04 (2006.01) ,B29C 41/52 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
41
Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
02
for making articles of definite length, i.e. discrete articles
04
Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
41
Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
34
Component parts, details or accessories; Auxiliary operations
52
Measuring, controlling or regulating
Applicants:
THE QUEENS UNIVERSITY OF BELFAST [GB/GB]; Belfast BT7 1NN, GB (AllExceptUS)
CRAWFORD, Robert, James [GB/GB]; GB (UsOnly)
NUGENT, Paul, James [GB/GB]; GB (UsOnly)
Inventors:
CRAWFORD, Robert, James; GB
NUGENT, Paul, James; GB
Agent:
DOWNEY, William, Gerrard ; Wilson, Gunn & Ellis 41-51 Royal Exchange Cross Street Manchester M2 7BD, GB
Priority Data:
8923207.814.10.1989GB
Title (EN) ROTATIONAL MOULDING APPARATUS AND PROCESS
(FR) APPAREIL ET PROCEDE DE ROTOMOULAGE
Abstract:
(EN) A rotational moulding apparatus comprises a device (5) disposed inside the mould for measuring temperature. A processor (6) forming part of a feedback tool (7) enables real time monitoring and control of the moulding process. Identifiable points on the temperature time moulding characteristic are employed to control the operation of the apparatus to optimise the properties of the mouldings obtained.
(FR) Appareil de rotomoulage comprenant un système de mesure de la température (5) installé à l'intérieur du moule. Grâce à un processeur (6) faisant partie d'une boucle de rétroaction (7), on peut contrôler et régler en temps réel le processus de moulage. On se sert de points identifiables sur les caractéristiques de température et de temps du moulage pour régler le fonctionnement de l'appareil afin d'optimiser les propriétés des moulages ainsi obtenus.
Designated States: AT, AU, BB, BG, BR, CA, CH, DE, DK, ES, FI, GB, HU, JP, KP, KR, LK, LU, MC, MG, MW, NL, NO, RO, SD, SE, SU, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CM, GA, ML, MR, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0495829US5322654CA2067174DE000069026103AU1990065264