Device for calibrating and straightening hollow components and method using such a device
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United States of America Patent
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May 31, 2022
Grant Date -
Jun 13, 2019
app pub date -
Jun 14, 2017
filing date -
Jun 22, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Device (1) for calibrating and straightening hollow components, preferably welded pipes (2), the device (1) being substantially composed of a frame (5) having two side stands (6, 7), a lower cross member (8) and an upper cross member (9), a ram (10) being provided, said ram (10) being movable toward the lower cross member (8) and back by means of a pressure-operable cylinder assembly (12) supported on the upper cross member (9), and a calibrating and straightening tool (11a) being provided between the lower cross member (8) and the ram (10), wherein the calibrating and straightening tool (11a) is changeably disposed on the lower cross member (8) and on the ram (10) and can be replaced with a bending tool (11b) for bending the lateral ends (3) of sheets (4) to produce pipes (2).
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