Apparatus for the manufacture of netting

Details Apparatus for the manufacture of netting Apparatus for the manufacture of netting

1975-08-13

1976-11-30

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

425510, 425111, 425455R, 140112, B29C 2700

Patent

active

039946622

ABSTRACT:
Netting is made from thermoplastic threads on a machine which applies to a plurality of spaced longitudinal strands at least two spaced transverse strands and bonds the latter to the former by individual moulded masses of plastics material. The rows of die assemblies for this moulding operation are arranged in one or more oppositely directed pair and are supplied with transverse strands by drawing such strands across the longitudinal strands and then transferring the required lengths of strand laterally into the respective die assemblies from opposite directions. The longitudinal strands are advanced intermittently by cooperating grippers, preferably at both ends of the machine. Sets of releasable grippers at the input and the output ends of the machine are reciprocable between positions respectively upstream and downstream of other sets of releasable grippers at the ends of the machine. Synchronized movement of the grippers then ensures that constant lengths of the longitudinal strands are advanced at constant tension in each cycle.

REFERENCES:
patent: 1915184 (1933-06-01), Cosgrove
patent: 2368047 (1945-01-01), Southwick
patent: 2401319 (1946-06-01), Roemer
patent: 2451423 (1948-10-01), Wickwire
patent: 3515177 (1970-06-01), Gott et al.
patent: 3825163 (1974-07-01), Versteeg

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