B - Operations – Transporting – 65 – C
Patent
B - Operations, Transporting
65
C
216/1, 216/28
B65C 3/26 (2006.01) B29C 49/24 (2006.01) B29C 49/56 (2006.01) B29C 33/36 (2006.01) B29C 49/36 (2006.01)
Patent
CA 1325408
ABSTRACT OF THE DISCLOSURE A rotary blow molding machine is provided with a rotor, a plurality of separable mold units each consisting of mold halves into which a parison is extruded to mold a hollow product, and a label applying apparatus for applying a label to the product. A rotating shaft intermittently rotated by predetermined angles is located in parallel to a rotational axis of the rotor holding a plurality of split mold units. A link mechanism is secured to be swingable to the rotating shaft and a rubber suction cup for holding a label is secured to the front end of the link mechanism. The label is positioned on the inner wall of the split mold halves in open state by the combination of the intermittent rotation of the rotating shaft and the swinging movement of the link mechanism. The split mold unit is supported by a holder which is constructed so that when a slider-crank mechanism in association with a cam follower is positioned to a dead position, the clamping force is applied. A large force is not applied to the cam follower held by the rotor and the rotor is driven at a constant speed, thus exactly performing the positioning for the label application.
603818
Hosokawa Manabu
Mizutani Yoji
Takakusaki Nobuyuki
Macrae & Co.
Toyo Seikan Kaisha Ltd.
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