Patent ID: 9429244
Filing Date: 2016-08-30
CPC Classification: B29C,F16K,Y10T

Claim Text:
1. A valve plug assembly comprising: a support member having a support member body extending along a support member longitudinal axis from a support member first end to a support member second end opposite the support member first end, the support member also having a first mating feature extending along the support member longitudinal axis and disposed adjacent the support member first end, wherein the first mating feature has a threaded portion, the support member also having a stem mating feature disposed proximate to the support member second end, the stem mating feature being adapted to secure the support member to a valve stem, and wherein the support member comprises a metal material; a plug tip extending along a plug tip longitudinal axis from a plug tip first end to a plug tip second end opposite the plug tip first end, the plug tip also having a second mating feature extending along the plug tip longitudinal axis and disposed adjacent the plug tip second end, wherein the second mating feature has a threaded portion, the plug tip also having a plug sealing surface disposed proximate the plug tip first end, the plug sealing surface being adapted to sealingly engage a valve seat, and wherein the plug tip comprises a ceramic material; and an adhesive, wherein the threaded portion of the first mating feature of the support member engages the threaded portion of the second mating feature of the plug tip such that a portion of the threaded portion of the first mating feature of the support member is in contact with a portion of the threaded portion of the second mating feature of the plug tip, and wherein the adhesive bonds to at least a portion of the threaded portion of the first mating feature and at least a portion of the threaded portion of the second mating feature to secure the plug tip to the support member.