公开(公告)号：US20240091840A1

公开(公告)日：2024-03-21

申请号：US18370250

申请日：2023-09-19

Applicant: Butech, Inc.

Inventor： John R. BUTA

IPC: B21D25/04 ,  B21D26/021

CPC classification number: B21D25/04 ,  B21D26/021

Abstract: A stretcher has two head housings, and a removable pressure block/clamp assembly which is located in the housings and positioned via hydraulic cylinders. The hydraulic cylinders raise the pressure block assembly, and the gripper hydraulic cylinders lower the pressure block assembly onto a removal fixture which moves into and out of the head housing.

公开(公告)号：US20250051109A1

公开(公告)日：2025-02-13

申请号：US18798258

申请日：2024-08-08

Applicant: Butech, Inc.

Inventor： John R. BUTA

IPC: B65G57/30 ,  B65G47/28

Abstract: A bundle builder and lifter assembly has a pair of parallel cross beams, and an actuator assembly for actuating the builder and lifter assembly. A pair of lift arms are moved along the parallel cross beams and each has a vertical portion and a horizontal portion forming a finger. The lift arms are also raised and lowered. A conveyor roller assembly is positioned above the lift arms and cross beams, where stacks of material are moved on the rollers of the conveyor assembly. The stacks of material are placed in a stack by the lift arms forming a bundle, which is then removed from the conveyor roller assembly.