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Gimmicks and gadgets
Publication year - 1981
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1981.tb00716.x
Subject(s) - bent molecular geometry , groove (engineering) , spring (device) , service (business) , engineering , forensic engineering , computer science , structural engineering , mechanical engineering , business , marketing
Two flexible “keys” for operating service valves in bent boxes have been devised. The first is a spring steel rod and the second is a rod of tongue‐and‐groove 12‐in. (30 cm) sections connected with spring steel pins.