Apparatus and method for reshaping tubes

United States of America Patent

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Dec 2, 2003
Grant Date
Nov 21, 2002
app pub date
May 18, 2001
filing date
May 18, 2001

priority date (Note)
Expired

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Abstract

In a method of reshaping a tube, an apparatus is used which has a roller nip for rotating the tube, and a shaping roller assembly for altering the cross-section of the tube, for instance from round to oval.

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Patent Owner(s)

Patent Owner	Address
LINDAB AB	269 82 BASTAD

International Classification(s)

B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mattsson, Lars-ANGke	B.ang.stad, SE	12	286

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Apparatus and method for reshaping tubes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09860656

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PATENT NO	6655182
APP PUB NO	20020170328A1
SERIAL NO	09860656
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 02, 2003	US,6655182,B2 US6655182B2	GRANTED PATENT AS SECOND PUBLICATION
November 21, 2002	US,20020170328,A1 US20020170328A1	FIRST PUBLISHED PATENT APPLICATION

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09860656

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