发明名称 |
Web lateral position control. |
摘要 |
<p>A method and apparatus for controlling the lateral position of a moving web (402) of material having a central longitudinally extending web axis (408) extending generally parallel to the direction of movement of the web (402) so as to maintain the central longitudinally extending axis (408) of the web (402) at a substantial constant lateral position relative a fixed longitudinally extending axis (412) associated with a fixed web alignment station based upon the detected longitudinal distance (b) between certain portions of a series of longi tudinally spaced apart, substantially identical, generally transversely extending indicia (401,403) in a longitudinally extending indicia path parallel to the central longitudinal axis (408) of the web.</p> |
申请公布号 |
EP0260498(A1) |
申请公布日期 |
1988.03.23 |
申请号 |
EP19870112503 |
申请日期 |
1987.08.27 |
申请人 |
ADOLPH COORS COMPANY |
发明人 |
DITTO, JAMES WILLIAM;WENDELL, JAEMS |
分类号 |
B32B27/10;B32B37/20;B41F13/02;B65H23/032;B65H23/18;B65H39/16 |
主分类号 |
B32B27/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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