Device for calibrating and straightening hollow components and method using such a device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11344939
APP PUB NO 20190176200A1
SERIAL NO

16311017

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
THEODOR GRABENER GMBH & CO KG57250 NETHPHEN-WERTHENBACH

International Classification(s)

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  • 2017 Application Filing Year
  • B21D Class
  • 872 Applications Filed
  • 595 Patents Issued To-Date
  • 68.24 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kapp, Dieter Wilnsdorf, DE 4 3

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Patent Citation Ranking

  • 0 Citation Count
  • B21D Class
  • 0 % this patent is cited more than
  • 3 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges104523041101 - 1011 - 2021 - 3051 - 60050100150200250300350400450500550600650700750800850900950100010501100

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