초록 ▼

A packing element comprising a peripheral sidewall defining an interior space having a central, longitudinal axis; a plurality of holes in the sidewall each having at least two sides, slanted relative to the axis; and a flap extending from at least one of the slanted sides of each of the holes inwar

A packing element comprising a peripheral sidewall defining an interior space having a central, longitudinal axis; a plurality of holes in the sidewall each having at least two sides, slanted relative to the axis; and a flap extending from at least one of the slanted sides of each of the holes inwardly into the space.

대표청구항 ▼

A packing element comprising a peripheral sidewall defining an interior space having a central, longitudinal axis; a plurality of holes in said sidewall each having at least four sides, two opposing sides of each of said holes being slanted at substantially the same angle relative to said axis; and

A packing element comprising a peripheral sidewall defining an interior space having a central, longitudinal axis; a plurality of holes in said sidewall each having at least four sides, two opposing sides of each of said holes being slanted at substantially the same angle relative to said axis; and a flap extending from each of said top opposing sides into said interior space substantially toward the same point, the sides of each of said flaps extending into said interior space being substantially straight.