B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/681
B29C 45/27 (2006.01) B29C 45/14 (2006.01) B29C 45/17 (2006.01)
Patent
CA 1175620
ABSTRACT OF THE DISCLOSURE A method of automatically controlling the length of a row or articles to be injection-molded on a multi- cavity mold having an elongate runner and a plurality of successive cavities spaced equidistantly along the runner, comprising the steps of: detecting an initial position of a control rod inserted in the runner; registering both the direction and the extent to which the control rod is to be moved for longitudinal adjustment with respect to the runner, depending on the initial position of the control rod and a preselected length of the article row to be molded; moving the control rod longitudinally of the runner in the registered direction; detecting the movement of the control rod to the registered extent; and in response to the last-named detecting, terminating the movement of the control rod. An apparatus for carrying out this method is also disclosed. The advance in the art is in that a method is provided of automatically controlling the length of a row of articles to be injection molded on a multi- cavity mold, which can be used for the molding of articles of a different series length, thus requiring no separate molds having cavities of a different series length.
401685
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
LandOfFree
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