Tube passages slightly bigger than the tubes are formed in a plate. A soft resilient sheet is placed on one side of the plate. The tube is forcibly inserted in the tube passages and draws a portion of the sheet which is then cut. In the assembly of the sheet, which has a bigger thickness than the interval between the tube and the tube passage, forms a flange beyond the tube plate.
申请公布号
DE2519756(B2)
申请公布日期
1980.11.13
申请号
DE19752519756
申请日期
1975.05.02
申请人
S.A. DES USINES CHAUSSON, ASNIERES, HAUTS-DE-SEINE (FRANKREICH)
