DE20114897U1 - Manual pressure pump for beverage bottles - Google Patents

Description

Utility model registration
Applicant: Fridtjof Rohde
Date: 07.09.2001/30.10.2001

Manual pressure pump for beverage bottles Technical field of the invention :

The invention relates to a closure system for bottles for maintaining the carbon dioxide content.

State of the art:

Container closures on the one hand and pumps on the other are well known in technology and in everyday use. Commercially available closure systems are always a combination of a body to be closed (bottle, can, canister, etc.) and a closure body (cork, crown cap, threaded closure, stopper, etc.). Both parts serve to hold and preserve a medium (e.g. drink) in the container. Commercially available air pumps or pumps for other media always serve to convey media and/or increase pressure, e.g. for the purpose of storing power.

Problem:

The invention specified in the protection claim is based on the problem that drinks bottles always lose pressure and thus carbon dioxide and ultimately taste when opened several times.

The problem is most clearly illustrated by the example of lemonade (or cola) in a disposable plastic bottle:
When bought in the shop, the bottle appears to be plump and solid. When opened for the first time, excess carbon dioxide escapes from the upper gas area of the bottle, and the bottle's shape gives way under the slight pressure of the hands. After some of the liquid has been removed, the bottle is usually closed again. The now larger gas area of the bottle is saturated by the smaller liquid area through escaping carbon dioxide until the initial pressure is approximately restored. As described above, this means that the lemonade has lost some of its carbon dioxide content. Thin-walled plastic bottles are the worst when it comes to loss of flavor, as not only the increase in pressure but also the original shape of the bottle has to be created using the carbon dioxide in the lemonade. The loss of flavor leads the consumer to throw away the last part (up to 1/3) prematurely instead of consuming it.

Solution:

This problem is solved with the features of the manual pressure pump for beverage bottles characterized in the claims.

Benefits achieved:

The invention ensures that a pressure can be built up in the gas area of the bottle, which leads to the retention of carbon dioxide in the liquid.

Example:

The pressure pump shown in the drawing (see appendix) is screwed onto the drinks bottle instead of the normal cap. Then, by moving the pump cap (1 and 2) vertically, air can be pumped from the outside through the pressure chamber of the pump (7) into the bottle using just the force of your hand.

Execution:

The sectional drawing shown in the appendix serves as an example. Neither aesthetic features nor dimensions or materials are discussed here, as these are not relevant to the invention.

The pump cylinder (3) consists of a cylinder with a lid in which a valve (6) is attached. A groove on the outside serves to accommodate a sealing ring (4). The dimensions of the bottle thread provided at the bottom must be adapted to the bottles.

The lid consists of a cover wall (1) and a cap (2) which must be connected to each other in a gas-tight manner. The suggestion made in the drawing to achieve this by means of a thread can also be replaced by soldering, gluing, welding, screwing, etc. In the

In the middle of the cap (2) there is a valve (5) which prevents air from escaping from the pressure chamber (7) to the outside, but allows air into the pressure chamber when the lid is pulled vertically.

The valve (6) - located in the top of the pump cylinder (3) - allows only air to flow from the pressure chamber (7) into the bottle.

The seal (4), which is arranged in the groove of the pump cylinder (3), ensures the tightness of the pressure chamber (7) during vertical movement of the pump cover (1 and 2).

To facilitate the work, a spring (8) can be provided, which saves the user from having to lift the lid.

Seal (4), valves (5 and 6) and spring (8) are commercially available shapes and materials and must be attached as such.

Claims (2)

1. The "manual pressure pump for beverage bottles" is characterized in that a pump cylinder ( 3 ) with sealing ring ( 4 ) and matching upper part - consisting of cover wall ( 1 ) and cap ( 2 ) - is to be screwed onto a threaded beverage bottle. 2. The "manual pressure pump for beverage bottles" is characterized by the fact that pressure can be built up in a beverage bottle by means of manual force.