Why in a thermos at the bottom of the cover: how to use a special cover

The majority of people in different situations, use a thermos. Particularly relevant it becomes in the campaigns and long-distance travel. The main purpose is to maintain the temperature of a thermos hot drink or food for a long time.

The device and the appointment of a thermos

In our time on store shelves can meet various thermoses model. They differ in purpose, the appearance, the materials used to create. As well as the quality of the function - keeping warm.

With the usual apparatus and construction elements substantially all met. The main role is played by the bulb, in which beverages or food retains its original temperature. Tightly coiled cover helps to fulfill this assignment.

But in some models, there are parts that are difficult to immediately determine the destination. In this article we will talk about the special cover on the bottom of the flasks.

IMPORTANT! To detect this element should unscrew the top cover and inspect the interior of the attention, for convenience, you can use a flashlight.

What thermos lid on the bottom there

Not all products can be found in this category unusual cover disposed on the bottom surface. Most often it is used in models with glass flasks inside the metal housing.

In connection with the feature of arrangement of parts, between internal element and the external air layer is formed. If the bulb is not securely fixed, it is hanging within the structure. This will lead to its breakage during further operation.

Therefore been developed Special bolts and nuts for mounting and fixing. Due to the thread, you can manually adjust the strength of fastening and, if necessary, to disassemble the structure for washing.

How to use the cover at the bottom of the thermos

If you are faced with this model or found an old thermos, in which the element is used, it is necessary to know the rules for its use.

Opportunities

• Cover with thread It creates additional mount for the glass envelopeSituated within the main body. Because of this, she did not falter and securely placed in the body.
• Thanks to the cover, creates a layer of air.

REFERENCE! Air, being a poor heat conductor, maintains the beverage temperature and prolongs the time of use thermos.

• In addition, a bottom member It provides additional sealing. In the case of abrasion and wear silicone layer at the top you can adjust the position of the bulb and press it.

How to use

Use this design element is easy. To adjust the position, you must tighten the nut at the bottom of the housing. can weaken or reinforce it if necessary. For this you need to turn a nut on a thread.

REFERENCE! To prevent breakage under it is a special compression ring, which does not allow to break the flask. So do not worry about the strength of the twist.

Over time, the details of break down and become useless, make sure the integrity of the structure. When external defects need to replace parts or buy a new product.