A thermal thread for the unión of thermoplastic materials (Machine-translation by Google Translate, not legally binding)

摘要

"THERMAL THREAD FOR UNION OF THERMOPLASTIC MATERIALS", characterized by the arrangement of a multiple tap transformer in the main circuit that receives the electrical energy through a time relay connected in series by means of a contact pushbutton; having a signal lamp for the duration of the welding period and signaling lamp with line connection switch. (Machine-translation by Google Translate, not legally binding)