CN202909752U - Double-layered test tube - Google Patents
Double-layered test tube Download PDFInfo
- Publication number
- CN202909752U CN202909752U CN 201220550906 CN201220550906U CN202909752U CN 202909752 U CN202909752 U CN 202909752U CN 201220550906 CN201220550906 CN 201220550906 CN 201220550906 U CN201220550906 U CN 201220550906U CN 202909752 U CN202909752 U CN 202909752U
- Authority
- CN
- China
- Prior art keywords
- test tube
- double
- internal layer
- outer layer
- inner layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The utility model discloses a double-layered test tube which comprises an inner layer and an outer layer, wherein the inner layer and the outer layer are connected at the top of the test tube, a part between the inner layer and the outer layer is not sealed, and water can be contained between the inner layer and the outer layer. The double-layered test tube has the benefits as follows: since water is filled between the inner layer and the outer layer, when the test tube is heated, the temperature inside the test tube cannot exceed one hundred degree.
Description
Technical field
The utility model relates to a kind of test tube, relates in particular to a kind of double-deck test tube.
Background technology
Traditional test tube only has one deck, and when we need to carry out the heating water bath test, this test tube was just very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of double-deck test tube, and it to the heating water bath test easily.
In order to solve above technical problem, the technical solution of the utility model is as follows:
A kind of double-deck test tube is made of internal layer and skin, and described internal layer links to each other at described test tube top with described skin, and not sealing between described internal layer and the described skin can splendid attire water between described internal layer and the described skin.
The beneficial effects of the utility model are: because be full of water between internal layer and skin, so the temperature in the test tube can not surpass 100 degree when heating test-tube.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, the utility model is made of internal layer 1 and outer 2, and internal layer 1 links to each other at the test tube top with outer 2, and not sealing between the internal layer 1 and outer 2 can splendid attire water between the internal layer 1 and outer 2.
Claims (1)
1. double-deck test tube, it is characterized in that: described double-deck test tube is made of internal layer (1) and outer (2), described internal layer (1) links to each other at described test tube top with described skin (2), not sealing between described internal layer (1) and the described skin (2) can splendid attire water between described internal layer (1) and the described skin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550906 CN202909752U (en) | 2012-10-25 | 2012-10-25 | Double-layered test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550906 CN202909752U (en) | 2012-10-25 | 2012-10-25 | Double-layered test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202909752U true CN202909752U (en) | 2013-05-01 |
Family
ID=48158098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550906 Expired - Fee Related CN202909752U (en) | 2012-10-25 | 2012-10-25 | Double-layered test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202909752U (en) |
-
2012
- 2012-10-25 CN CN 201220550906 patent/CN202909752U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202909752U (en) | Double-layered test tube | |
| CN202876843U (en) | Turtle breeding device | |
| CN204111294U (en) | A kind of Simple heat insulation funnel | |
| CN204409415U (en) | A kind of electrical heating dough leavening basin | |
| CN204024977U (en) | The LNG pump pond of the outer cold insulation of a kind of end cap | |
| CN204191806U (en) | A kind of silica gel lunch box | |
| CN204110622U (en) | A kind of organic live fish packing bag | |
| CN203182661U (en) | Anti-overflowing ceramic pot | |
| CN202953317U (en) | Automatic heating and insulating box | |
| CN202959836U (en) | Tea cup | |
| CN201675624U (en) | Glass | |
| CN202728925U (en) | Microwave food packing bag | |
| CN203194595U (en) | Raincoat capable of preventing rain water from flowing into cuffs | |
| CN203417059U (en) | Heating food cover | |
| CN203244204U (en) | Cup sleeve | |
| CN202757308U (en) | Internal sealing device for pipe fitting | |
| CN201767063U (en) | Clothes | |
| CN202775917U (en) | Low pressure pot cover | |
| CN202901574U (en) | Dual-way square tube | |
| CN202907646U (en) | Oval fish tank cover with square holes | |
| CN201751405U (en) | Glass | |
| CN203642101U (en) | End cap connection structure of daylight lamp | |
| CN202020357U (en) | Heating teeth-cleaning cup with toothpaste | |
| CN202835870U (en) | High heat preservation bubble-type liner | |
| CN201958468U (en) | Cup |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131025 |