Abstract: Floating apparatus for the remote marking of the position of bodies that have fallen in water, comprises a buoyant body which is ballasted on its underside and which on its upper side carries an inflatable standard having a visible signal at its upper end. The inflatable standard is in the form of inner and outer tubes which define between them a hollow chamber that extends lengthwise of the standard and parallel to the standard. A supply of compressed gas, carried by the apparatus, is selectively releasable to fill the hollow chamber to erect the standard.
Abstract: A foil for a hydrofoil comprises a rigid part and a deformable trailing or leading edge part. The deformable part comprises a movable core jointed to the foil proper and having a resilient layer deposited on it, the resilient layer providing continuity of profile between the rigid and the deformable part.
Type:
Grant
Filed:
June 17, 1976
Date of Patent:
June 27, 1978
Assignee:
Societe Nationale Industrielle Aerospatiale