Conduit grinding apparatus

Patent · Tue Jun 11 00:00:00 EDT 1991

OSTI ID:7275662

Nachbar, H D; Korytkowski, A S

A grinding apparatus is disclosed for grinding the interior portion of a valve stem receiving area of a valve. The apparatus comprises a faceplate, a plurality of cams mounted to an interior face of the faceplate, a locking bolt to lock the faceplate at a predetermined position on the valve, a movable grinder and a guide tube for positioning an optical viewer proximate the area to be grinded. The apparatus can either be rotated about the valve for grinding an area of the inner diameter of a valve stem receiving area or locked at a predetermined position to grind a specific point in the receiving area. 2 figures.

• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): US 5022192; A
• Application Number: PPN: US 7-504152
• OSTI ID: 7275662
• Resource Relation: Patent File Date: 3 Apr 1990
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
GRINDING MACHINES
DESIGN
VALVES
GRINDING
POSITIONING
COMMINUTION
CONTROL EQUIPMENT
EQUIPMENT
FLOW REGULATORS
MACHINE TOOLS
MACHINING
TOOLS
420200* - Engineering- Facilities
Equipment
& Techniques