Housing assembly part for motor vehicle engine component e.g. cylinder head cap, oil pan, transmission cover, has groove with ridges and valleys on opposing sidewalls formed on housing element to fit into elastomer seal

摘要

A groove with alternating ridges (25,26,31,32) and valleys (27-30) within the opposing sidewalls (21,22) is formed to an injection-molded thermoplastic housing element (15) or hood. An elastomer seal (12) is fitted and positively held into the groove.