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Publication of NL6701856ApublicationCriticalpatent/NL6701856A/xx
Publication of NL143443BpublicationCriticalpatent/NL143443B/xx
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D53/00—Making other particular articles
B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
B21D53/085—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal with fins places on zig-zag tubes or parallel tubes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Stacking Of Articles And Auxiliary Devices
(AREA)
Automatic Assembly
(AREA)
NL6701856A1966-02-071967-02-07Inrichting voor het vervaardigen van een buizeneenheid met plaatvormige ribben.
NL143443B
(nl)