Method and an apparatus for the manufacture of heat...

Details Method and an apparatus for the manufacture of heat... Method and an apparatus for the manufacture of heat...

B - Operations, Transporting

21

D

26/145

B21D 53/02 (2006.01)

Patent

CA 1252618

ABSTRACT OF THE DISCLOSURE A method and an apparatus for the manufacture of heat- -exchanger rolls. The roll consists of two webs of material which are wound together in superposed relationship. One of the webs is corrugated and formed with protrusions/dents at the crests and bottoms of the corrugations. The second web is provided with lengthwise ribs having the same configuration as the protrusions/dents. When the webs are wound into a roll a radial pressure is exerted on the wheel in order to press the ribs efficiently into the protrusions/dents and to achieve efficient and safe interconnection of the various winding turns making up the roll. To impart a tension in said webs a retarding (braking) force is applied thereon during the winding-on of the webs. The invention also comprises an apparatus for performing the method, the pressure and braking force on said webs being exerted by a pressure roller.

450593

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