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1. US20200384520 - CROWNING METHOD IN PRESS BRAKE AND PRESS BRAKE

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Office
United States of America
Application Number 16970721
Application Date 14.02.2019
Publication Number 20200384520
Publication Date 10.12.2020
Publication Kind A1
IPC
B21D 5/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
02on press brakes without making use of clamping means
B21D 5/00
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
CPC
B30B 15/007
BPERFORMING OPERATIONS; TRANSPORTING
30PRESSES
BPRESSES IN GENERAL
15Details of, or accessories for, presses; Auxiliary measures in connection with pressing
007Means for maintaining the press table, the press platen or the press ram against tilting or deflection
B21D 5/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
02on press brakes without making use of clamping means
B21D 5/006
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
006combined with measuring of bends
Applicants Amada Co., Ltd.
Inventors Taishi SUZUKI
Koutaku MIURA
Makoto AOKI
Priority Data 2018029752 22.02.2018 JP
Title
(EN) CROWNING METHOD IN PRESS BRAKE AND PRESS BRAKE
front page image
Abstract
(EN)

A crowning method applied to a press brake including an upper table and a lower table as being vertically opposed to each other and including first slits opened in right and left directions on both right and left sides of the upper table or the lower table, is by deforming end sides of upper portions or lower portions of the first slits of the upper table or the lower table upward or downward to carry out a crowning regulation.
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