Patent ID: 8146639
Filing Date: 2012-04-03
Classification: B21C,B29C,F16L

Abstract:
1. An apparatus for combining steel tubes or pipes with plastic linings, comprising an arrangement for heat combining steel tubes or pipes with their plastic linings which comprises: a multifunctional combining chamber having one or two door(s) for conveying the tubes or pipes into or out of it, which are located on the same end or both ends or in the middle of the arrangement for heat combining if it has two doors; an arrangement for conveying tubes or pipes with a multifunctional tube or pipe carriage; and a system for steam circulating that contains steam, is adapted to continuously supply re-usable steam to said chamber, and comprises a steam re-heater, and a steam supplementing device; and a device for cooling and shaping by means of water, gas or their combination; and an automatic controlling system, which comprises detecting device, displaying device, input means for inputting inflow speed, flow rate, time, temperature, and pressure of the steam, and pressure of the compressed gas, and a controlling device comprising a temperature controller, a pressure controller, a gas valve controller, a steam valve controller, and a time difference controller; wherein the steam contained in said steam circulating system comprises re-used steam; wherein direct or indirect steam heating of said tubes or pipes with plastic linings can be selectively realized in said multifunctional combining chamber; and wherein said multi-functional tube or pipe carriage is one which can be driven pneumatically, hydraulically, or electrically.