NET-SHAPED DUCT FORMING APPARATUS

摘要

A duct-forming apparatus includes an apparatus frame, a forming piston assembly having a cylinder carried by the apparatus frame and a forming piston extendable from the cylinder. A duct-shaping assembly includes a form die having a form die interior and a forming surface provided in the form die interior; a forming assembly having a plurality of expandable forming sections provided in the form die adjacent to the forming surface; and a plurality of piston openings provided in the expandable forming sections, respectively, and adapted to receive the forming piston of the forming piston assembly. A duct-forming method is also disclosed.

主权项

1. A duct-forming apparatus, comprising:
an apparatus frame; a forming piston assembly having a cylinder carried by said apparatus frame and a forming piston extendable from said cylinder; and a duct-shaping assembly comprising:
a form die having a form die interior and a forming surface provided in said form die interior;a forming assembly having at least one expandable forming section provided in said form die adjacent to said forming surface; andat least one piston opening provided in said at least one expandable forming section, respectively, and adapted to receive said forming piston of said forming piston assembly.