Type cork line and a process and apparatus for producing same

Details Type cork line and a process and apparatus for producing same Type cork line and a process and apparatus for producing same

B - Operations, Transporting

29

C

18/641

B29C 45/14 (2006.01) B29C 44/42 (2006.01) B63B 21/20 (2006.01)

Patent

CA 1102064

Title: A NEW TYPE CORK LINE AND A PROCESS AND APPARATUS FOR PRODUCING SAME Abstracts of the Disclosure A process for producing cork lines which comprises holding a leader or leaders with a pair of metal molds having at the junc- tional surfaces thereof one or more cavities for forming a float or floats and one or more furrows formed so as to pass through said cavity or cavities for holding said leader or leaders, injecting a molten synthetic resin mixed with a foaming agent into said cavity or cavities to effect molding and foaming of said resin, cooling said metal molds and taking out a float or floats integ- rally fixed to said leader or leaders from said metal molds. An apparatus for producing cork lines which comprises an injection molding machine having a pair of metal molds with a cavity or cavities to form a float or floats and with furrows formed so as to pass through said cavity or cavities for holding a leader or leaders on the junctional surfaces of said metal molds, a device for maintaining said leader or leaders in stretched state between said metal molds and a device for intermittently conveying said leader or leaders in stretched state for a given distance in the longitudinal direction. A cork line thus produced can be used in various fields of industry, especially for fisheries.

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