HEATING CYLINDER COVER AND HEATING CYLINDER DEVICE OF INJECTION MOLDING MACHINE
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Jul 7, 2017
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Jul 8, 2016
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Abstract
In composition of a heating cylinder cover that covers a heating cylinder 2 having a temperature control mechanism 3m in which at least a plurality of heating units 3a, 3b, 3c, . . . are provided on an outer circumferential surface 2ms of a heating cylinder body 2m along an axial direction Fs, the heating cylinder cover includes a heat-retaining cover part 5 that is integrally provided with a cover body part 5m and a plurality of partition parts 5a, 5bc, 5de, . . . ; the cover body part 5m is attached to the heating cylinder 2 thereby forming a predetermined covered space S between the cover body part 5m and the temperature control mechanism 3m and covers at least an upper half part 2u of the heating cylinder 2, and the partition parts 5a, 5bc, 5de, . . . project from an inner surface 5mi of this cover body part 5m toward the temperature control mechanism 3m and divides the covered space S into a plurality of closed spaces Sab, Scd, . . ..
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