| 摘要 |
<p>1,169,507. Pipe joints. CARL-ZEISSSTIFTUNG, [trading as JENAER GLASWERK SCHOTT & GEN]. 14 June, 1968 [20 June, 1967], No. 28554/68. Heading F2G. In a high-vacuum connection for pipes of glass, ceramics or other brittle material a resilient 0-ring 5 accommodated in a groove 6 in the socketed end of a pipe 2 acquires a substantially triangular shape in cross-section when the pipes 1, 2 are urged together, the pipe 1 having a part-spherically shaped end 3.</p> |
