Patent ID: 8469688
Filing Date: 2013-06-25
Classification: B29C,B29L

Abstract:
1. Apparatus for molding, forming, tipping and/or welding plastic tubing, said apparatus comprising in combination: a) an RF generator for providing an RF signal; b) a plurality of mold assemblies, each said mold assembly including a mold responsive to the RF signal to heat the plastic tubing by induction with a coil surrounding the mold to mold, form, tip and/or weld the plastic tubing in the mold; c) a mold memory circuit coupled in each of said plurality of mold assemblies for providing control signals to said RF generator to produce an RF signal unique to the parameters of the mold in each mold assembly; and d) a multiplexing circuit for serially interconnecting each of said plurality of mold assemblies with said RF generator to serially heat each mold in accordance with the parameters provided by the respective mold memory.