Assertion: rigid cleat | /r/HasProperty | provided with an interior cavity opening
Facets:
value: according to the present invention
type: OTHER
Source sentences:
text: According to the present invention, a semi-rigid cleat is provided with an interior cavity opening through the base of the body of the cleat, the cavity being formed with at least a region of its walls removed from the base of the cleat over which the opposite walls of the cavity diverge from one another away from the base of the cleat.