WELDING METHOD OF BUTTED PROFILE
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United States of America Patent
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app pub date -
Jun 30, 2011
filing date -
Apr 23, 2010
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Abandoned
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Abstract
The present invention provides a welding method of butted profile. The welding method of the butted profile comprises the following steps of: assembling a profile without backing bars and a profile with double backing bars and/or a profile with a single backing bar of the butted profile together; and welding two lateral parts of the profile without backing bars with the corresponding profile with double backing bars and/or the profile with a single backing bar at the same time. By welding the two lateral parts of the profile without backing bars with the corresponding profile with double backing bars and/or the profile with a single backing bar at the same time, the two lateral parts of the profile without backing bars can simultaneously form an integer with the corresponding profile with double backing bars and/or the profile with a single backing bar in the welding process, therefore, the phenomenon of misalignment at one side of the profile without backing bars when the other side of the profile without backing bars is welded is effectively avoided, and the welding quality of the butted profile is improved.
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