Patent · US Expired

Exhaust system and muffler lap joint

US4113289A · kind A · utility

30Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1977
Grant dateSep 12, 1978
Priority date
Expiry dateMar 3, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L21/065
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An improved exhaust conduit lap joint construction is disclosed, wherein the outer tube includes an end portion having therein a plurality of captured take-up slots and a plurality of relief slots which extend through the end of the tube. An inner tube extends telescopically into the outer tube end portion so as to cover the slots from the inside. Clamping means, including means encircling the outer tube and covering the captured take-up slots, hold the two tubes together, whereby a leak proof lap joint is formed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.