Protective cap
First Claim
Patent Images
1. A protective cap, comprising:
- a protective end;
an open end;
a wall between the protective end and the open end, the wall having an internal surface;
a plurality of ribs located on the internal surface, the ribs having a tapered portion facing the open end, such that a minimum width of the ribs is at or near the open end; and
a plurality of projections, the projections having first and second ends, the first ends being connected to the internal surface of the wall.
1 Assignment
0 Petitions
Accused Products
Abstract
A protective cap for a threaded valve stem has a protective end, an open end, and a wall between the protective end and the open end. The wall has an internal surface and may have a plurality of ribs located on the internal surface, wherein the ribs have a tapered portion facing the open end for use in guiding the threaded valve stem into the center of the protective cap as it is inserted. The protective cap also has a plurality of projections connected to the internal surface of the wall for engaging the external threads of the valve stem, to prevent easy removal of the cap. The protective end and/or the wall also has a plurality of vent openings.
-
Citations
18 Claims
-
1. A protective cap, comprising:
-
a protective end; an open end; a wall between the protective end and the open end, the wall having an internal surface; a plurality of ribs located on the internal surface, the ribs having a tapered portion facing the open end, such that a minimum width of the ribs is at or near the open end; and a plurality of projections, the projections having first and second ends, the first ends being connected to the internal surface of the wall. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A protective cap, comprising:
-
a protective end; an open end; a wall between the protective end and the open end, the wall having an internal surface; a plurality of projections, the projections having first and second ends, the first ends being connected to the internal surface of the wall; a plurality of ribs located on the internal surface, wherein each rib has a radial length in a range of from about 0.8 mm to about 5.0 mm; and a plurality of vent openings formed in the wall. - View Dependent Claims (9, 10, 11, 12)
-
-
13. A protective cap that protects a threaded valve stem including an external thread and a circular opening, the cap comprising:
-
a protective end having (i) a central portion sized to completely, but barely, cover the circular opening, the central portion not extending as to the outer edge of a wall defining the circular opening, and (ii) a vent portion disposed radially outward from the central portion, the vent portion defining a plurality of vent openings; an open end; a wall between the protective end and the open end, the wall including a pair of frangible members extending between the protective end and the open end to define a tear strip, the wall further including a vent portion, the vent portion defining a plurality of vent openings; a pull tab connected to the tear strip at the open end; and a plurality of projections, the projections having first and second ends, the first ends being connected to an internal surface of the wall and the second ends engaging the external thread, wherein the projections prevent easy removal of the cap. - View Dependent Claims (14, 15, 16, 17, 18)
-
Specification