Bottle and cap

Abstract

The embodiments described herein disclose a bottle and cap. The cap seals the bottle and thereby defines a compartment within the bottle for storing liquid or other material. The cap also includes an internal compartment for storing a liquid or other material in a sealed manner. The cap is designed to readily allow for sterilization during manufacturing, maintaining proper sealing of the compartments, dispensing material from one compartment into the other and providing a tamper-resistant closure.

What is claimed is: 
     
         1 . A cap comprising:
 a payload cap and a bottle cap, the payload cap and bottle cap defining a payload cavity;   a first seal disposed between the bottle cap and a bottle;   a second seal disposed between the bottle cap and the payload cap;   the first and second seal cooperating to prevent the contents of the bottle from escaping;   a third seal disposed between the bottle cap and the payload cap and sealing the payload cavity;   wherein manipulation of the payload cap breaks the third seal such that the payload cavity is in communication with the bottle while maintaining the first and second seals.   
     
     
         2 . The cap of  claim 1  wherein the first and third seals are formed integrally with the bottle cap and the second seal is formed integrally with the payload cap such that the cap consists of two pieces. 
     
     
         3 . The cap of  claim 1  further comprising:
 the payload cap and bottle cap are in threaded engagement; twisting of the payload cap in relation to the bottle cap in the clockwise direction causes the threads to engage; 
 the payload cavity is sealed when the threads on the pay-load cap and bottle cap are engaged; 
 twisting the payload cap in a counter clockwise direction causes the threads to disengage; 
 the payload cap can be removed from the bottle cap when the threads are fully disengaged. 
 
     
     
         4 . The cap of  claim 1  further comprising: maintaining the payload cavity under pressure;
 the pressure in the payload cavity facilitating the discharge of contents of the payload cavity into the bottle when the third seal is broken. 
 
     
     
         5 . The cap of  claim 1  further comprising: maintaining a vacuum in the bottle;
 the vacuum in the bottle facilitating the discharge of con-tents of the payload cavity into the bottle when the second and third seals are broken. 
 
     
     
         6 . The cap of  claim 4  further comprising: maintaining a vacuum in the bottle;
 the vacuum in the bottle facilitating the discharge of con-tents of the payload cavity into the bottle when the second and third seals are broken. 
 
     
     
         7 . The cap of  claim 1  wherein the first, second and third seals are each comprised of two elements providing pressure seals in two directions. 
     
     
         8 . The cap of  claim 1  wherein the bottle cap and payload cap are formed of materials having limited surface tension to minimize adhesion of the contents of the payload cavity to the bottle cap or payload cap and thereby facilitate the discharge of contents of the payload cavity into the bottle. 
     
     
         9 . The cap of  claim 6  wherein the bottle cap and payload cap are formed of materials having limited surface tension to minimize adhesion of the contents of the payload cavity to the bottle cap or payload cap and thereby facilitate the discharge of contents of the payload cavity into the bottle. 
     
     
         10 . The cap of  claim 3  further comprising:
 the bottle cap and bottle are in threaded engagement; twisting of the bottle cap in relation to the bottle in the clockwise direction causes the threads to engage; 
 the bottle is sealed when the threads on the bottle cap and bottle are engaged; 
 the bottle cap having a ridge that mates with a corresponding ridge on the bottle; 
 the ridges on the bottle cap and bottle cooperate to lock the bottle cap to the bottle when the threads are fully engaged. 
 
     
     
         11 . The cap of  claim 10  further comprising:
 ribs on the bottle cap optimized to facilitate twisting of the bottle cap in relation to the bottle to lock the bottle cap to the bottle; 
 ribs on the payload cap optimized to facilitate twisting of the payload cap in relation to the bottle cap to seal the payload cap to the bottle cap. 
 
     
     
         12 . The cap of  claim 3  further comprising: the payload cap has a lower end;
 the bottle cap having a closure; 
 the third seal being disposed on the closure; 
 the end of the payload cap contacts the third seal before the threads are fully engaged; 
 twisting of the payload cap until the threads are fully engaged creates pressure in the payload cavity. 
 
     
     
         13 . The cap of  claim 1  wherein the bottle cap includes a payload cavity closure, the payload cavity closure having a substantially conical surface. 
     
     
         14 . The cap of  claim 1  wherein the bottle cap includes a payload cavity closure, the payload cavity closure having a substantially pyramidal surface. 
     
     
         15 . The cap of  claim 3  wherein breaking of the third seal coincides with the breaking of a payload cap tamper evidence ring. 
     
     
         16 . The cap of  claim 1  remains sealed to outside when the temper evidence ring is broken, but the payload cap was not removed yet, facilitating the mixing of the content of the bottle without spilling any of the content outside of the cap or bottle.