Assertion: brim's edge | /r/HasAspect | preferred radius of curvature
Facets:
value: from about 8 to 15 cm
type: OTHER
value: in the range
type: LOCATION
Source sentences:
text: The brim inner curved edge has a preferred radius of curvature in the range from about 8 to 15 cm, and preferably, each of said flaps extend approximately perpendicular to a line tangent to the curve of the inner brim edge at the point of intersection of the flap inner edge and said brim inner edge.