A two-sleeve assembly where a first sleeve is cast into a concrete partition and a second sleeve inserts into it post-casting to enable conduit attachment and optional sealing.

Patentradars sammanfattning

Roxtec AB's invention addresses cable and pipe transit installations through casted partitions (e.g., concrete walls, floors, ceilings) by employing a two-part sleeve assembly. A first sleeve is cast in situ into the partition, flush with both faces, while a second sleeve is inserted post-casting into the first sleeve's second end and projects outward to provide conduit fastening via radially extending fastening elements. A bayonet-style locking mechanism (axial recesses and circumferential grooves receiving radial projections on the second sleeve) with optional inclined groove surfaces and a seal ring ensures secure, adjustable, and watertight coupling. A compressible round seal can additionally be installed inside the first sleeve to seal around individual cables or pipes.

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