Dual bottle

Abstract

A dual bottle having a first axis in a length direction of the bottle. The dual bottle includes: a. first and second compartments for respective first and second liquids. Each compartment has a first end and a second end. Each first end includes a mouth member; b. a cap engaged with each mouth member; c. the second end of the first compartment including a tenon protruding outwards of the first compartment; d. the second end of the second compartment including a mortise protruding inwards the second compartment.

1 . A dual bottle having a first axis in a length direction of the bottle, the dual bottle comprising:
 a. first and second compartments for respective first and second liquids, each compartment having a first end and a second end, each first end including a mouth member configured to allow intaking into the first and second compartment respectively the first and second liquid, and expressing thereout the first or second liquid;   b. Each first end wider than the second end so that the dual bottle tapers to facilitate dispensing the first or second liquid;   c. a cap engaged with each mouth member, each cap configured to allow selecting sealing or unsealing a mouth member and resting on a horizontal surface as a stable basis for the dual bottle while having the first axis vertical to the horizontal surface;   d. the second end of the first compartment including a tenon having a tenon base and a tenon edge, the tenon protruding outwards of the first compartment, and with the tenon edge wider than the tenon base, forming a trapezoidal insert;   e. the second end of the second compartment including a mortise having a mortise base and a mortise edge, the mortise protruding inwards the second compartment with a mortise base wider than the mortise edge to form a trapezoidal base;   f. a joint connecting the second ends of the first and second compartments, the joint including the tenon of the first compartment residing inside the mortise of the second compartment, the joint prohibiting drawing the first and second compartments apart in the direction of the first axis; and   g. a label covering the second ends, such as to prevent drawing the first and second compartments apart in a direction perpendicular to the first axis.   
     
     
         2 . The dual bottle of  claim 1 , wherein each compartment has an internal volume of 100 mL volume or less, and the cap is a screw-cap. 
     
     
         3 . The dual bottle of  claim 1 , wherein both compartments together have an internal volume of 100 mL volume or less, and the cap is a screw-cap. 
     
     
         4 . The dual bottle of  claim 2 , wherein the first compartment and the second compartment comprise HDPE. 
     
     
         5 . The dual bottle of  claim 3 , wherein the first compartment and the second compartment comprise HDPE. 
     
     
         6 . The dual bottle of  claim 1  wherein both compartments can be easily removed without the adhesive label. 
     
     
         7 . The dual bottle of  claim 1 , wherein the first compartment and the second compartment each comprise walls having a thickness between 1.2 and 1.8 mm. 
     
     
         8 . The dual bottle of  claim 2 , wherein the first compartment and the second compartment each comprise walls having a thickness between 1.2 and 1.8 mm. 
     
     
         9 . The dual bottle of  claim 3 , wherein the first compartment and the second compartment each comprise walls having a thickness between 1.2 and 1.8 mm. 
     
     
         10 . The dual bottle of  claim 1 , wherein the first liquid is a shampoo and the second liquid is conditioner. 
     
     
         11 . The dual bottle of  claim 10 , wherein the shampoo and the conditioner are complementary. 
     
     
         12 . The dual bottle of  claim 10 , wherein the cap engaged with the mouth member of the first container is marked with a mark indicating that the cap not be resting on the horizontal surface.