Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent
1987-02-04
1990-04-17
Fisher, Richard V.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Rod or tubular preform
4254031, 425437, 425446, 156499, A01J 2100
Patent
active
049175912
ABSTRACT:
A compact apparatus for curing an uncured resin impregnated in a filter element (12) having a uniform cross-section in the longitudinal direction, and for reinforcing the filter element (12). The apparatus includes a curing pot (38) formed of outer and inner tubes (40, 42) secured integrally and coaxially with each other to form an annular space (44) therebetween, having a cross-section similar to that of the filter element (12) to be treated, for accommodating the filter element (12) therein during the curing process. A hot air circulation mechanism for forcibly supplying hot air through the filter element (12) in the annular space (44) is provided so that the temperature of the filter element (12) is effectively elevated to a value at which the curing of the resin is completed. The curing operation can be sequentially carried out by intermittently displacing a holder (64) accommodating the filter element (12) therein to an operational position and transferring the filter element (12) into the curing pot (38).
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patent: 4443288 (1984-04-01), Sawada et al.
Sakaida Atsushi
Suzuki Masanori
Fisher Richard V.
Millard Wanda L.
Nippondenso Co. Ltd.
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