Combined extraction and feeding articulated conduit arm unit for gas

- AB Ph. Nederman & Co.
Description

FIG. 1 is a right side elevational view of the combined extraction and feeding articulated conduit arm unit for gas showing the new design;

FIG. 2 is a left side elevational view of the combined extraction and feeding articulated conduit arm unit for gas;

FIG. 3 is a rear elevational view of the combined extraction and feeding articulated conduit arm unit for gas;

FIG. 4 is a front elevational view of the combined extraction and feeding articulated conduit arm unit for gas;

FIG. 5 is a top plan view of the combined extraction and feeding articulated conduit arm unit for gas; and,

FIG. 6 is a bottom plan view of the combined extraction and feeding articulated conduit arm unit for gas.

Referenced Cited
U.S. Patent Documents
3820752 June 1974 Oram
4682749 July 28, 1987 Strater
4699046 October 13, 1987 Bellieni
4860644 August 29, 1989 Kohl et al.
Foreign Patent Documents
2525930 November 1983 FRX
3004392 April 1989 DEX
Other references
  • Nederman, "The Factory in Helsingborg, Sweden," Product Brochure, May 1, 1990.
Patent History
Patent number: D361836
Type: Grant
Filed: Feb 25, 1992
Date of Patent: Aug 29, 1995
Assignee: AB Ph. Nederman & Co. (Helsingborg)
Inventor: Hans T. Engstrom (Helsingborg)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Foley & Lardner
Application Number: 7/840,986
Classifications
Current U.S. Class: Flow Director (29) (D23/387)