Title: Means and methods for making a spiral muffler

Abstract: Apparatus for making a spiral muffler includes a mandrel for spirally winding a metal strip while maintaining a predetermined spaced relationship between the wound portions, with the strip being welded to a pair of side plates as it is wound.

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Inventors: Santos, Gerard R. (Levittown, PA, US)

Application Number: 589274
Filing Date: 1975-06-23
Publication_date: 1977-03-08
Assignee: The Budd Company (Troy, MI)
Primary Class(es): 228/173.6 228/5.1, 228/9, 228/15.1, 228/25, 228/32, 228/182
Other Classes:
US Patent Ref:

3692142

Sep, 1972

Stemp

181/66.

Other Refs:
Primary Examiner: Smith, Al Lawrence
Assistant Examiner: Ramsey, K. J.
Attorney: