Most people in different situations used a thermos. Especially important it becomes in hikes and long journeys. The main purpose of the thermos is to maintain the temperature of a hot drink or food for a long time..
Device and purpose of a thermos
In our time, on the shelves of stores you can find various models of thermoses. They differ in purpose, appearance, material used to create. As well as the quality of the performance of the function - heat preservation.
With the usual device and structural elements almost all met. The main role is played by a flask in which beverages or food retain their original temperature. A tightly twisted cap helps make this appointment.
But Some models have parts whose purpose is difficult to immediately determine.. In our article we will tell about the special covers located on the bottom of thermoses.
IMPORTANT! To detect this element, it is worth unscrewing the top cover and carefully inspect the inside, for convenience, you can use a flashlight.
In which thermos at the bottom there is a lid
Not all products in this category can be found unusual cover, located on the bottom surface. Most often it is used in models with glass flasks inside the metal housing.
Due to the location of the parts, an air gap is formed between the inner and outer element. If the bulb is not securely fixed, it will hang inside the structure. This will lead to its failure during further operation.
Therefore have been developed special bolts with nuts for fastening and fixing. Thanks to the thread, you can independently adjust the fastening force and, if necessary, disassemble the structure for washing.
How to use the cover on the bottom of the thermos
If you encounter this model or found an old thermos in which this element was applied, you need to know the rule of its use.
Opportunities
- Threaded cap creates an extra mount for a glass bulblocated inside the main body. Due to this, it does not falter and stands securely in the case.
- Thanks to the lid, an air gap is created.
REFERENCE! Air, being a poor conductor of heat, maintains the temperature of the drink and prolongs the time of use of the thermos.
- In addition, the bottom element provides additional tightness. In the case of rubbing and wear of the silicone layer at the top you can adjust the position of the flask and press it.
How to use
Using this element is simple enough. To adjust the position you need tighten the nut on the bottom of the case. If necessary, you can loosen or fix it. For this it is necessary to turn the nut on the thread.
REFERENCE! To prevent breakage there is a special compressible ring under it that will not allow the flask to break. Therefore, do not worry about the power of twisting.
Over time, the parts break and fall into disrepair, monitor the integrity of the structure. For external defects, it is worth replacing parts or buying a new product.
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