Back to results
US 2002/0162450 A1Published application
Piston with seal
AssigneeAFM Corporation
InventorStanley A. Frost
Life of this patent
Estimating the term…
Abstract
A method of forming a floating piston includes fabricating a piston cup, wherein the piston cup includes a top, a sidewall void of any seal-gripping irregularities, and an open end, and forming an elastomer seal over the sidewall of the piston cup. A floating piston includes a piston cup having a top, a sidewall extending about the periphery of the top and an open end, wherein the sidewall is void of any seal-gripping irregularities; and an elastomer seal formed about the sidewall of the piston cup.
Claims15
A method of forming a piston comprising:
- fabricating a piston cup, wherein the piston cup includes a top, a sidewall void of any seal-gripping irregularities, and an open end, and
- forming an elastomer seal over the sidewall of the piston cup.
A piston comprising:
- a piston cup having a top, a sidewall extending about the periphery of the top and an open end, said sidewall is void of any seal-gripping structures;
- and
- an elastomer seal formed about said sidewall of said piston cup.
Dependencies are inferred from the claim text.