B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/692
B29C 45/48 (2006.01) B29C 45/07 (2006.01) B29C 45/17 (2006.01) B29C 45/50 (2006.01)
Patent
CA 1294405
ABSTRACT OF THE DISCLOSURE The plasticizing and injecting unit for use in an in- jection molding machine comprises a carrier and supply block (10), which comprises a pair of second bores (14), which are symmetrical with respect to the injection axis (s-s), and a pair of third bores (13), which are also symmetrical to the injection axis. The second bores contain respective advan- ce-retract cylinders (A). The third bores contain respective injection cylinders (E). The advance-retract cylinders (A) are operable to axially advance and retract the plasticizing and injecting unit. The injection cylinders (E) are operable to inject molten plastic material into the injection mold. The second bores (14) are symmetrical to a first plane (f- f), which defines an angle ( .alpha. ) with a horizontal plane h- h extending through the injection axis (s-s). The third bores are symmetrical to a second plane (e-e), which includes a second angle ( .beta. ) with said horizontal plane. That design will permit an economical series production and facilitate quick repairs as well as the assembling of the unit if each advance-retract cylinder (A) and each injection cylinder (E) constitutes an operable module, which is detachably mounted in the carrier and supply block.
575470
Hehl Karl
Macrae & Co.
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