| 摘要 |
<p>1508243 Valves S HUSTED-ANDERSEN [trading as TRANSCODAN SVEN HUSTEDANDERSEN] 2 March 1976 [5 March 1975] 08388/76 Heading F2V A multi-tube clamp, Figs. 1 to 7 (not shown), of the type having a roller (9) which is longitudinally displaceable with respect to a support housing (6), is characterized in that the clamping surfaces (12, 13) of the housing (6) for each tube (2, 4) are provided with recesses or openings (19, 20a, 20b), staggered relative to each other such that at least one tube is closed off as the roller is displaced. One or more of the clamping surfaces may also have a groove whose crosssection varies along the length of the housing to allow flow to be regulated as well as shut-off as the roller is displaced.</p> |
