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Cover for sealing opening of glass volumetric bottle

A volumetric bottle and capacity technology, which is applied in the field of bottle caps, can solve the problems of easy rolling and breaking, damaged volumetric bottles, and cannot be used for general use, and achieves the effects of easy mass production, enhanced sealing effect, and prolonged service life.

Active Publication Date: 2014-12-17
AEROSPACE PRECISION PROD INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The volumetric flask needs to be sealed when it is used, and its sealing depends on the ground glass stopper. It is also necessary to apply vaseline on the ground mouth, which is easy to contaminate the solution in the bottle and the volumetric flask. Leakage
[0004] Most of the volumetric flasks produced by domestic manufacturers have the same outer diameter and different inner diameters of the volumetric flasks in different batches of the same model, so the corks are of different sizes and cannot be used universally. It is very inconvenient to use and clean. The common practice in the laboratory is to tie the purchased volumetric flask body and cork together with a rope to avoid confusion, but the volumetric flask is often damaged during cleaning.
[0005] In addition, the glass volumetric cork is mostly cylindrical with a thick top and a thin bottom. The top is usually connected with a round pie-shaped glass piece perpendicular to the top plane for easy access, which makes it very inconvenient to remove and place the cork. It is easy to pollute the cork, and it is easy to roll off and break

Method used

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  • Cover for sealing opening of glass volumetric bottle
  • Cover for sealing opening of glass volumetric bottle
  • Cover for sealing opening of glass volumetric bottle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] The invention will be further described below through specific examples.

[0040] An embodiment of the present invention is figure 1 and figure 2 As shown, the plastic cap used for sealing the mouth of the glass volumetric bottle includes a cover top (1), a cover wall (2) and a buckle (3) integrally connected, and the cover wall (2) is vertically connected with the cover top (1) It is in the shape of a round tube, and the buckle (3) is a circle of angular protrusions arranged on the bottom edge of the inner wall (21) of the cover wall (2), and is connected with the outer wall of the cover wall (2) on the cover top (1). The junction of (22) is also provided with groove (4). The cover top (1) is a regular hexagon with a thickness of 2 mm, and the diameter of the inscribed circle of the cover top (1) is 5 mm larger than the diameter of the circle where the outer wall (22) of the cover wall (2) is located. The diameter of the circle where the inner wall (21) of the cove...

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PUM

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Abstract

The invention creates and provides a cover for sealing an opening of a glass volumetric bottle. The cover comprises a cover top (1), a cover wall (2) and fasteners (3) which are integrally connected, wherein the cover wall (2) is vertically connected with the cover top (1) to form a round-pipe shape; the fasteners (3) are angle-shaped bulges arranged on the bottom-part edge of an inner wall (21) of the cover wall (2); and grooves (4) are also arranged at the connection positions between the cover top (1) and the outer wall (22) of the cover wall (2). The cover provided by the invention has the advantages that various defects of the bottle cover of the existing glass volumetric bottle can be overcome, the simple and practical effects are achieved, the sealing performance is good and the cover can be universal to the same model of glass volumetric bottles.

Description

technical field [0001] The invention relates to a bottle cap, in particular to a cap that can be used for sealing the mouth of a glass volumetric bottle. Background technique [0002] Glass volumetric flask is a kind of glass container commonly used in chemical analysis process, and it is mostly used for constant volume of liquid. [0003] The volumetric flask needs to be sealed when it is used, and its sealing depends on the ground glass stopper. It is also necessary to apply vaseline on the ground mouth, which is easy to contaminate the solution in the bottle and the volumetric flask. Leakage. [0004] Most of the volumetric flasks produced by domestic manufacturers have the same outer diameter and different inner diameters of the volumetric flasks in different batches of the same model, so the corks are of different sizes and cannot be used universally. It is very inconvenient to use and clean. The common practice in the laboratory is to tie the purchased volumetric fla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D45/18B01L3/00
Inventor 潘慧冯光勇胡隆伟张晓玲
Owner AEROSPACE PRECISION PROD INC LTD
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