VERFAHREN ZUR MONTAGE EINES FLANSCHES SOWIE ROHRLEITUNG MIT MONTIERTEM FLANSCH.
摘要
PCT No. PCT/FI91/00012 Sec. 371 Date Jul. 10, 1992 Sec. 102(e) Date Jul. 10, 1992 PCT Filed Jan. 11, 1991 PCT Pub. No. WO91/10857 PCT Pub. Date Jul. 25, 1991.The invention relates to a conduit collar and method for installing the conduit collar in a circular hole through concrete and stone structures used in industrial construction work. The conduit collar includes at least one circumferential rib with an outer perimeter having a diameter larger than the diameter of the hole before the collar is installed into the hole. The outer perimeter of at least one of the circumferential ribs conforms to fit inside the hole when the collar is installed into the hole.
申请公布号
DE69113783(T2)
申请公布日期
1996.05.15
申请号
DE1991613783T
申请日期
1991.01.11
申请人
RP OY TEOLLISUUDEN JA RAKENTAJAIN PALVELUKESKUS, SUNILA, FI