To provide dozens of presses with a flexible heat source which will permit a range of temperature from 320 to 450 ° F. to suit various types of rubber with varying curing times. While an abundance of plant steam is available, it would be difficult to keep traps working on the dozens of presses for such a small load on each press. Flexible steam line connections to presses were difficult to keep tight and resultant steam leaks and moisture created unbearable working conditions. Each transfer injection splicing press has two platens - an upper platen which is stationary and a lower platen on which the weatherstrip is placed, then raised to closed position by a hydraulic cylinder.

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