Appeal No. 1997-2251
Application 8/251,385
Claim 1 is illustrative and reads as follows:
1. A method of injection molding a cable tie having a
locking head, a strap terminating in a tip for passing through
said head, and ratchet teeth on one side of the strap, wherein
the locking head includes a pawl having teeth with surfaces
for engaging the ratchet teeth to lock the strap in the
locking head after the tip end of the strap has been pulled
through the opening, the method comprising the steps of
(a) forming the cable tie by injecting molten plastic
material into a mold cavity defined by a first mold part
combined with a second mold part, wherein the first mold part
includes a head region defining a portion of the head of the
cable tie and the second mold part includes a tip region
defining a portion of the tip of the cable tie;
(b) separating the first mold part from the second mold
part while retaining said portion of the head of the cable tie
in the head region of the first mold part and said portion of
the tip of the cable tie in the tip region of the second mold
part, to separate the head from the second mold part, to
separate the tip from the first mold part, and to separate a
major portion of the strap of the cable tie from the first and
second mold parts;
(c) further separating the first mold part from the
second mold part while retaining said portion of the head of
the cable tie in the head region of the first mold part to
thereby remove said portion of the tip of the cable tie from
the second mold part; and
(d) ejecting the head of the cable tie from the head
region of the first mold part.
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