VERNIER CALIPERS FOR MEASURING EXPANDED PIPE AND PIPE EXPANSION RATIO

VERNIER CALIPERS FOR MEASURING EXPANDED PIPE AND PIPE EXPANSION RATIO

  • CN 87,201,014 U
  • Filed: 01/28/1987
  • Issued: 06/01/1988
  • Est. Priority Date: 01/28/1987
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of expand tube that uses on the mechanical industry boiler and pipe expansion ratio are measured slide calliper rule, comprise blade 1, vernier 2, foot-measuring 7.8, it is characterized in that described foot-measuring 7.Adjustable benchmark slide rule vernier 3 is equipped with in 8 both sides.4 and benchmark slide rule 5.6。

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