Patent ID: 9267205
Filing Date: 2016-02-23
CPC Classification: C23C

Claim Text:
1. A fastener for joining two members of a gas showerhead reactor comprising: first and second planar members of a gas nozzle array associated with a showerhead of a gas reactor, wherein nozzles in each planar member are aligned for gas passage from one side of the joined members to the opposite side; and a hollow fastener fitting into the first and second members, each fastener having a tubular shank extending completely through said one of the first and second members and having a head for stopping passage of the shank beyond a distance in said one of the first and second members with a foot extending from the shank opposite the head at a distance extending partially into the other of the first and second members through a keyway, the tubular shank and foot surrounding a hollow central region forming a nozzle extending completely through said one of the first and second members and partially through the other of the first and second member to a nozzle of the other of the first and second members, the other member having an arcuate concourse communicating with the keyway, whereby the foot may be turned in the concourse, locking the second member to the first member in a bayonet tip manner.