Patent ID: 9176297
Filing Date: 2015-11-03
Classification: B32B,G02B,Y10T

Abstract:
1. An apparatus comprising: a tubular housing having an axial length L and circumferential length C; a first canopy secured to the tubular housing around a perimeter of the first canopy, the first canopy extending for an axial length L1 that is less than L and for a circumferential length C1 that is less than C/2, the first canopy having a front sloping section and a rear sloping section that each extend from the perimeter to a semicircular outer perimeter; and a second canopy disposed circumferentially opposite the first canopy and secured to the tubular housing around a perimeter of the second canopy, the second canopy extending for an axial length L2 that is less than L and for a circumferential length C2 that is less than C/2, the second canopy having a front sloping section and a rear sloping section that each extend from the perimeter to a semicircular outer perimeter.