摘要 |
1465004 Pipe couplings UNION CARBIDE CORP 28 March 1974 [29 March 1973] 13724/74 Heading F2G In an arrangement for transferring surface contamination, in the interface between two pipe flanges, to the interface between two strips 6, coated with pressure sensitive adhesive, each flange surface is covered with pressure sensitive adhesively coated strip material with the tacky sides ready to be inverted, so that they face outwardly. Thus, on pulling the ends 5 of both strips, the adhered parts are both turned inside out and the surface contamination is trapped in the adhesive interface between them. Sterile interconnection of flanges 2 is completed by clamps 7 and the adhered strips are discarded.
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