
    433 A.2d 134
    Fisher v. Hartig Extruders Co. etc. et al., Appellant.
    Petition for Allowance of Appeal Denied July 17, 1981.
    Argued April 16, 1980.
    Thomas J. Reinstadtler, for Hartig, appellant (at No. 922) and for appellee (at No. 978); Richard G. Spagnolli, for Fisher, appellee. Eileen R. Kalinoski, for Washington Penn, appellant (at No. 978) and for appellee (at No. 922).
    Before CAVANAUGH, HOFFMAN and VAN der VOORT, JJ.
   Order affirmed.

CAVANAUGH, J., filed a memorandum concurring and dissenting opinion.  