Y-Interlock packing seal

Claim 1

A seal sealingly engaged intermediate a cylindrically shaped rod and surrounding tubular, cylinder-shaped wall and including: a. a gland ring for retaining a top of said seal in place longitudinally: and b. means for supplying mechanical pressure to said seal, including a bottom ring: the improvement comprising: c. a top ring of packing seal consisting essentially of an extruded lineal member of elastomeric material having in cross-section a height h from top to bottom, a width ΔR, a pair of heels that slope outwardly from said top to form a substantially flat bottom, said bottom having a groove disposed intermediate said heels and adapted to receive a linear anti-roll tab from a contiguous ring therebeneath; said lineal member having a substantially flat top contiguous said gland ring and having ends joined adjacent each other in a joint; said top ring serving both to block flow of fluid and to adapt a seal cavity to accommodate additional rings; and d. at least one additional ring of packing seal consisting essentially of an extruded lineal member of the elastomeric material having in cross-section height h from top to bottom, a width ΔR, a pair of heels that slope outwardly from said sidewalls of said top to form substantially flat bottom, said bottom having a groove disposed intermediate said heels and adapted to receive a linear anti-roll tab from the contiguous ring therebeneath: said linear member having a substantially flat top for being contiguous said bottom of said contiguous ring at its top and having a linear anti-roll tab disposed on its top and placed laterally so as to matingly engage said groove on said bottom of said contiguous ring; the rings engaging tops to bottoms and tops of anti-roll tabs to bottoms of engaging grooves so as to form substantially cylindrical annular spaces radially interiorly and exteriorly of said anti-roll tab and within said grooves; said flat bottom of the bottom ring engaging said means for applying mechanical pressure; each said ring having its respective ends joined adjacent each other in respective joints.