IN-SITU LAPPING APPARATUS FOR GATE VALVES

The patent application relates to a lapping apparatus for in-situ simultaneous grinding of a pair of extremely defaced valve body seats of a gate valve within close geometric tolerances while maintaining cleanliness of the adjacent piping systems.

• Supplemental Notes:
  • This Government-owned invention available for U.S. licensing and, possibly, for foreign licensing.
• Corporate Authors:

  Department of the Navy

  Washington, DC  United States 
• Authors:
  • Uyetake, T
  • Higa, T
  • Orillo, S J
  • Nakano, G
• Publication Date: 1976-4-1

Media Info

• Pagination: 16 p.

Subject/Index Terms

• TRT Terms: Grinding; Leakage; Machine valves; Patents; Piping systems; Ship structural components
• Old TRIS Terms: Cargo valves; Gate valves; Leakage fluid; Patents (Valve maintenance)
• Subject Areas: Data and Information Technology; Marine Transportation;

Filing Info

• Accession Number: 00143698
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: PAT-APPL-672 579 Pat Appl.
• Files: TRIS
• Created Date: Nov 17 1976 12:00AM