发明名称 Connecting piece for plate type radiators - is made from pipe with right-hand thread at one end and left-hand thread at other
摘要 <p>The connecting piece is used to join the water channels of plate type radiators which have tapped openings at the top and bottom of each section. The sections are joined together side by side, at the top and bottom. The connecting piece is made from a tube and has a right hand thread (6) at one end and a left hand thread (7) at the other, so that it can bring the plates together when being tightened. The sides of the connecting piece have two grooves (3) for receiving a tightening spanner.</p>
申请公布号 FR2476510(A1) 申请公布日期 1981.08.28
申请号 FR19800004663 申请日期 1980.02.27
申请人 MAURICE MICHEL 发明人
分类号 B21D53/02;F28F9/26;(IPC1-7):21D53/00;16B12/28;16L41/08;28F9/26 主分类号 B21D53/02
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