Patent ID: 9309140
Filing Date: 2016-04-12
CPC Classification: C03B,G05B

Claim Text:
1. A system to control operation of a blow head and blow mold in at least one section on the blow side of an IS machine when a defective container in a mold must be removed, the IS machine including a blank side with a blank side pilot air supply, and an EPVB having an operation valve and pilot valve coupled to one of the blow head and blow mold, the system comprising: a pneumatic shut-off valve mounted on the blow side of the IS machine, with the pneumatic shut-off valve coupled to the EPVB and the blank side pilot air supply; and a piping network coupling the pneumatic shut-off valve to the pilot valve and to the blank side pilot air supply, with the pneumatic shut-off valve and piping network configured to prevent operation of the blow side mold and blow head from the blank side of the IS machine until the defective container is removed; and wherein activation of the pneumatic shut-off valve to prevent operation the blowside mold and blow head cuts off supply of pilot air to the pilot valve.