Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Patent
1983-11-29
1985-03-19
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
264 401, 425126R, 425129R, 425137, 425150, 425814, B29D 500, B29D 300, B29F 100
Patent
active
045056595
ABSTRACT:
An apparatus for manufacturing a continuous slide fastener stringer, including a plurality of longitudinally spaced rows of injection-molded coupling elements secured to a stringer tape along a longitudinal edge thereof with a plurality of element-free portions between the successive rows of the injection-molded coupling elements, includes a fixed feeler disposed on one of a pair of relatively movable mold members adjacent to a leading mold cavity therein for detecting a trailing end of the injection-molded coupling elements, and a movable feeler disposed on the one mold member downstream of the fixed feeler at a distance substantially equal to the length of the element-free portions of the stringer. The movable feeler is driven by a driving mechanism to selectively project or retract from a mold surface of the one mold member in interlocking relation with a feed mechanism which intermittently feeds the stringer tape by a predetermined distance.
REFERENCES:
patent: 4222723 (1980-09-01), Sawada
patent: 4226577 (1980-10-01), Sawada
patent: 4336220 (1982-06-01), Takahashi
patent: 4362487 (1982-12-01), Takahashi
Chijiishi Toshio
Higuchi Toshiaki
Matoba Hiroshi
Nakamura Kazuo
Hoag Willard E.
Yoshida Kogyo K.K.
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