Corrugated mold block

Details Corrugated mold block Corrugated mold block

B - Operations, Transporting

29

D

18/759, 18/941

B29D 23/18 (2006.01) B29C 33/04 (2006.01) B29C 33/10 (2006.01) B29C 33/36 (2006.01) B29C 49/00 (2006.01) B29C 35/16 (2006.01)

Patent

CA 1279456

Corrugated Mold Block Abstract A corrugated mold block for a vacuum mold machine is provided with a face arcuate about a longitudinal axis and corrugated in the longitudinal direction with alternat- ing grooves and lands, said face being formed of sheet met- al. A housing is provided about the back of the face and adapted for carriage about an endless path, and reinforcing members are provided which are secured to the face and hous- ing and extend therebetween to maintain the desired shape of the face. Openings extend through the grooves of the face to the back thereof and communicate with vacuum passageways formed by a plurality of arcuate channel members secured to the back of each of the face grooves and communicating with a vacuum port through the housing. The housing further de- fines a cooling passage therethrough in communication with input and output cooling ports through the housing. The reinforcing members are disposed substantially radial to the arc of the face and include finger portions extending into the lands thereof and openings therethrough which form a part of the cooling passage. A sealant is provided on one side of the mold block and adapted to seal against an adja- cent mold block during molding.

551009

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