Infusion cap
First Claim
Patent Images
1. An infusion cap for use on bottles having a cylindrical neck, the infusion cap comprising:
- a single molded structure consisting of a barrel having concentric inner and outer cylinder portions having upper and lower ends to be received lower-end-first over the bottle neck;
an upwardly opening third cylinder portion integral with said barrel and having upper and lower ends and extending upwardly from the barrel at the upper ends of and concentric with said inner and outer cylinder portions;
a plunger closing the lower end of said inner cylinder portion;
a reservoir cap enclosing the upper end of the third cylinder portion,the reservoir cap, plunger and barrel forming a closed infusion substance reservoir with the plunger axially shiftable in the reservoir and responsive to depression of the reservoir cap to pressurize the infusion substance within the reservoir and force it out of said reservoir and into a bottle neck upon which the infusion cap is mounted.
1 Assignment
0 Petitions
Accused Products
Abstract
An infusion cap for a bottle having a threaded neck is screwed onto the threaded neck of a bottle; and, by removing a locking tab, a portion of the cap can be pressed toward the bottle to discharge an infusion substance into the bottle.
77 Citations
10 Claims
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1. An infusion cap for use on bottles having a cylindrical neck, the infusion cap comprising:
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a single molded structure consisting of a barrel having concentric inner and outer cylinder portions having upper and lower ends to be received lower-end-first over the bottle neck; an upwardly opening third cylinder portion integral with said barrel and having upper and lower ends and extending upwardly from the barrel at the upper ends of and concentric with said inner and outer cylinder portions; a plunger closing the lower end of said inner cylinder portion; a reservoir cap enclosing the upper end of the third cylinder portion, the reservoir cap, plunger and barrel forming a closed infusion substance reservoir with the plunger axially shiftable in the reservoir and responsive to depression of the reservoir cap to pressurize the infusion substance within the reservoir and force it out of said reservoir and into a bottle neck upon which the infusion cap is mounted. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An infusion cap for use on bottles having a cylindrical neck,
the infusion cap comprising: -
a single molded structure consisting of a barrel having concentric inner and outer cylinder portions with the outer cylinder portion being internally threaded for threaded engagement, lower-end-first, over an externally threaded bottle neck and with the inner cylinder portion received downwardly within the bottle neck; an upwardly opening third cylinder portion integral with said barrel and extending upwardly from the barrel at the upper ends of and concentric with said inner and outer cylinder portions; a plunger closing the lower end of said inner cylinder portion and having a stem extending upwardly through the inner and third cylinder portions and supported thereby for axial displacement; and a reservoir cap closing the upper end of the third cylinder portion and disposed to engage the stem and be axially shiftable on the third cylinder portion, the reservoir cap, plunger and barrel forming a closed infusion substance reservoir with the plunger axially shiftable in the reservoir and responsive to axial displacement of the reservoir cap to pressurize the infusion substance within the reservoir and force it out of said reservoir and into a bottle neck upon which the infusion cap is mounted. - View Dependent Claims (9, 10)
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Specification