element 30 is attached to and extends at an angle from main sealing element 29 the elements can be made of any suitable material such as nichrome alloy fig6 is a perspective view of a seal seat 32 which works in tandem with the above described seal bar and sealing element in the overall seal apparatus of the invention the seal seat 32 includes a t shaped main portion 34 and a t shaped elastomeric pad 36 the t shaped main portion 34 has a main section 38 and a relatively short compared with the main section 38 second section 40 the second section 40 is attached to and extends at an angle from main section 38 likewise the elastomeric pad 36 has a main section 42 and a relatively short compared with the main section 42 second section 44 the second section 44 is attached to and extends at an angle from main section 42 the elastomeric pad is typically an elastomer coated with a teflon or other insulating material it should be noted in these and other embodiments of the invention that respective main and second sections or elements can be attached in the sense of bringing together originally separate parts or can be originally made in a single piece or part to form the intended final configuration.