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Double-walled vacuum glass thermos flask

A vacuum glass, double-layer vacuum technology, applied in non-pressure vessels, household appliances, fixed-capacity gas storage tanks, etc., can solve the problem of not providing the possibility of vacuuming, and achieve the effect of saving material costs and labor costs

Inactive Publication Date: 2019-10-08
EMSA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually does not offer the possibility of subsequent vacuuming

Method used

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  • Double-walled vacuum glass thermos flask
  • Double-walled vacuum glass thermos flask
  • Double-walled vacuum glass thermos flask

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 The thermos jug 100 is shown as a perspective exploded view. Here, a version with handle 32 is depicted. The thermos 100 consists of three mutually detachable components, namely a hollow glass body 20 , a pouring tip 30 with a handle 32 and a lid 10 , which are presented separately from each other according to the invention.

[0026] The hollow glass body 20 has an elongated cylindrical shape and is made entirely of borosilicate glass. The hollow glass body 20 is closed at one end with a bottom plate 25 . At the opposite upper end, the hollow glass body 20 is opened and formed with connecting means, such as in particular pressed The kettle neck 23 of external thread.

[0027] In addition to the hollow glass body 20, in figure 1 Also shown is the pouring tip 30. The pouring tip is a plastic threaded screw cap which is screwed onto the hollow glass body 20 .

[0028] The pouring tip 30 is designed in the form of a ring and has a central pouring opening 33...

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PUM

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Abstract

The invention relates to a double-walled vacuum glass thermos flask (100) comprising at least one hollow glass body (20) with an evacuated intermediate chamber (24) formed between two extruded glass cylinders (21, 22) spaced apart from one another, and an annular pouring top (30) that has an inner pouring opening and can be connected to a flask neck (23). The glass cylinders (21, 22) consist of two extruded glass tube sections which are spaced apart from one another, are each closed at their bottom ends by a base panel (25, 27) made of glass, and are fused together at their respective top endsto form a flask neck (23) that closes the intermediate chamber (24). The hollow glass body (20) consists of heat-resistant borosilicate glass.

Description

technical field [0001] The invention relates to a double-layer vacuum glass insulation pot, which at least includes: [0002] - a hollow glass body with an evacuated interspace formed between two squeezed glass cylinders spaced apart from one another; [0003] - and an annular pouring tip capable of being connected to the neck of the jug with an internal pouring hole. Background technique [0004] Thermoses are closeable containers used to keep beverages or other liquids hot or cold for extended periods of time. There is always the requirement on the construction of thermos jugs that the heat transfer between the interior of the thermos jug and the surrounding environment be as small as possible, ie that the heat conduction, heat flow and heat radiation from the inside to the outside or from the outside to the inside be kept low. The heat transfer is kept low by two measures: The glass walls are poor heat conductors. Heat loss due to convection is reduced by evacuation. ...

Claims

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Application Information

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IPC IPC(8): A47J41/02
CPCA47J41/024
Inventor 哈拉尔德·德克斯
Owner EMSA
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