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Shared envelope used as teaching aid

A technology for envelopes and teaching aids, applied in the field of teaching aids, to achieve the effects of easy cleaning, reducing waste and highlighting educational needs

Pending Publication Date: 2018-10-30
北京脑动集市文化发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a shared envelope for teaching aids to solve a series of problems arising from the existing use of physical paper envelopes as teaching aids

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] like figure 1 As shown, a schematic front view of a shared envelope for teaching aids in accordance with one embodiment of the present invention is shown. The shared envelope consists of a front page 1, a back page 9 and a flap 2, wherein the front page 1 and the back page 9 have the same shape and are arranged up and down, leaving an opening on one side to form a pocket; the flap 2 and the opening side of the front page 1 Attachment; the front page 1, back page 9 and flap 2 are all made of low density polyethylene (LDPE) and have a thickness of 25c (0.25mm). The periphery of the front page 1 is formed with a thermoplastic sealing area 4, and the width of the thermoplastic sealing area 4 from the edge is 0.5 cm. The inner edge corners of the thermoplastic sealing area 4 are chamfered. The middle part enclosed by the inner side of the thermoplastic sealing area 4 on the front page 1 is transparent. On the middle part of the transparent setting, the upper left corner i...

Embodiment 2

[0043] like figure 2As shown, a schematic diagram of the back of a shared envelope for teaching aids in one embodiment of the present invention is shown, including the back page 9 and the back of the flap 2 . The size of the back page 9 is the same as that of the front page 1, both of which are standard size: 17.6cm x 12.5cm. And an overlapping thermoplastic sealing area 10 is provided thereon for optional thermoplastic sealing with the thermoplastic sealing area 4 on the front page. The middle part enclosed by the inner side of the thermoplastic sealing area 10 on the back page 9 is also transparent and can be provided with a device pattern. A fixing device 11 is provided at a corresponding position on the back page 9 , and the fixing device 11 is used to cooperate with the fixing device 3 to fix the letter tongue 2 on the back page 9 . In this embodiment, the fixing devices 3 and 11 are snap buttons that cooperate with each other.

Embodiment 3

[0045] Due to the advantages of material (plastic material), structure (integrated molding, thermoplastic sealing structure) and surface design (information prompt), the envelope of the present invention can be placed anywhere within the scope of the teaching environment, such as setting multiple access points , students, teachers, etc. can take it anywhere, and after use, it can be easily put back at the pick-up point, so that others can take it again. The envelope of the present invention is durable, weather-resistant, dirt-resistant, easy to clean, can be used repeatedly for many times, and fully meets the sharing requirements of the shared envelope within a certain range.

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Abstract

The invention relates to a shared envelope used as a teaching aid. The shared envelope used as the teaching aid is used for solving the problems about an existing matter paper envelope used as a teaching aid. The shared envelope used as the teaching aid can meet the requirements of multiple aspects including strength, usability, convenience, environmental protection and the like, can be placed anywhere within a teaching environment range, and sufficiently meets the requirement for a shareable envelope.

Description

technical field [0001] The invention relates to the technical field of teaching aids in educational practice activities, in particular to a shared envelope for teaching aids. Background technique [0002] Language plays a very important role in human social life. People exchange ideas, disseminate information and communicate with each other through language. Language is an important condition for the formation of human society. Among them, letters are a way of written language communication with a long history. [0003] With the development of the times and the advancement of science and technology, people use paper letters less and less, but in some specific fields (such as admission letters, important contract documents and business letters, etc.) cannot be completely replaced. In addition, from the perspective of cultural heritage and as a personal private letter, paper letters still have unique meanings and aesthetic values, and these spiritual values ​​cannot be fully ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D27/18B65D27/00
CPCB65D27/00B65D27/18
Inventor 焦富利
Owner 北京脑动集市文化发展有限公司
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