US 7,517,481 B2
Molding systems and processes
Suresh G. Advani, Newark, Del. (US); Mathieu Devillard, Newark, Del. (US); and Jeffrey Lawrence, Newark, Del. (US)
Assigned to University of Delaware, Newark, Del. (US)
Appl. No. 10/544,503
PCT Filed Feb. 04, 2004, PCT No. PCT/US2004/002939
§ 371(c)(1), (2), (4) Date Jun. 28, 2006,
PCT Pub. No. WO2005/021232, PCT Pub. Date Mar. 10, 2005.
Claims priority of provisional application 60/444944, filed on Feb. 05, 2003.
Prior Publication US 2006/0255500 A1, Nov. 16, 2006
Int. Cl. B29C 45/23 (2006.01)
U.S. Cl. 264—40.5  [264/510; 425/562; 425/570] 15 Claims
OG exemplary drawing
 
1. A mold system comprising:
a source of curing fluid;
a mold cavity enclosure enclosing at least a part of a mold cavity;
a mold platen comprising a network plate,
a plurality of injection gates in fluid communication with the mold cavity, and
at least one deformable member disposed adjacent to the network plate; and
a gate control system comprising a plurality of pistons, each piston adjacent to one of the plurality of injection gates and adapted to deform at least a portion of at least one deformable member to selectively close the injection gate.