Patent ID: 9157653
Filing Date: 2015-10-13
Classification: B21D,B23P,F24F,Y10T

Abstract:
1. A method for automatically inserting angle plates into a duct flange and for automatically closing a seam of a duct comprising (a) inserting a duct having transverse flanges into an apparatus adapted to automatically insert angle plates into said duct flanges and to automatically close a seam of said duct; (b) said apparatus including a dual head assembly having a lower head and an upper head wherein each head includes a platen for receiving a duct and an assembly for automatically inserting an angle plate into a duct flange, said assembly for automatically inserting an angle plate into a duct flange including at least one clamping member for clamping the duct into position on the platen, a feed member for feeding an angle plate into place in the duct flange, at least one press member for pressing an angle plate into the duct flange, and a supply hopper having a plurality of angle plates for supplying angle plates to the feed member (c) said apparatus further including a seam closing assembly for automatically closing a seam of a duct comprising a pair of vertical support members constructed and arranged outside of the work area of the assembly for automatically inserting an angle plate, a seam closing carriage connected to the vertical support members and having a horizontal member with a housing having a seam forming member, and means for moving the seam closing carriage up and down the vertical support members; (d) clamping said duct into said apparatus; (e) inserting angle plates into said duct flanges; and (f) closing the seam of said duct, wherein said carriage assembly moves vertically on said vertical support members and wherein said seam forming member closes the seam of said duct.