Patent ID: 7959155

Claim:
A packer cup having an inner surface and an outer surface for use in sealing an annulus between a pipe and a coaxially mounted tube, the cup adapted to surround the tube, comprising: a hollow sleeve having first and second end openings, coaxially along the longitudinal axis of said sleeve, said first end opening having a bell-shaped portion and said second end opening having a tubular portion, said hollow sleeve having a portion constructed from a first elastomeric material having a first hardness and a second elastomeric material having a second hardness harder than said first elastomeric material, said first elastomeric material extending from said first end opening along the outer surface of said sleeve for a distance less than the distance between said first end opening and said second end opening, said second elastomeric material extending along the inner surface of said sleeve for the entire distance between said first end opening and said second end opening of said hollow sleeve.