CN2166091Y - Sealing & opening-convenient safe envelope - Google Patents

Abstract

The utility model relates to a paper product, primarily relating to the improvement of the existing envelope. Based upon the prior envelope, the inner surface of one side of an open end of the envelope is provided with an adhesive layer whose surface is also provided with non-adhesive paper. A fold line of the close end of the envelope is orderly perforated, and both sides of the close end are provided with pull strings for unsealing. While in use, the adhesive paper is ripped away, and the inner surfaces of both sides of the open end can be affixed to each other. On the occasion of unsealing, the pull string is pulled along perforated holes arranged on the close end, and the envelope can be unsealed. The envelope has the advantages of neat unsealing trace, no damage of the articles inside the envelope, portability, convenient operation, no requirement of the additional condition and low cost.

Description

Sealing & opening-convenient safe envelope

The utility model relates to a kind of paper products, mainly is the improvement that existing envelope is done.

The invention of envelope and use with a long historyly, it and content spare are essential for daily life together, and people exchange emotion, transmission information by this kind mode, and it also has cheap, good confidentiality, remedies the deficiency that oral expression is had not given full expression to the views.Envelope kind size is various, no matter which kind of envelope, all relate in the use before sending seal and receive after these two processes of opening.With paste or glue sealing; With scissors or directly be torn by hand, this long-term use method exists not enough: need preparation paste or glue, often can see in the post office conveniently and disorderly smearing, and the vestige that volatilization stays after doing, both unbecoming, contaminated environment again; In the place that does not have paste or glue, seem very little problem, but can't solve, also use too much not driedly sometimes because of paste or glue, promptly knock down pillar-box, cause between the envelope to stick to each other; Then normal during opening because of there not being scissors directly to go to tear with oneself or on every side with hand, do easy damage content spare like this.

For addressing this problem, once had in envelope potted ends two sides and buried backguy underground, but, also the problems referred to above can take place thicker kraft envelope with convenient improvement of sealing off; The glue by driven by motor of post office arrangement picks device in addition, does not need directly to pick with hand, can above-mentioned phenomenon still must see, therefore fails effectively to solve.

The utility model provides a kind of improvement envelope for this reason,, effort time-consuming to overcome, and the deficiency of contaminated environment, thus reach the purpose of carrying, conveniently using.

The utility model is that a kind of improved envelope is torn two just secure envelopes open, at original envelope and seal off with on the basis of backguy, establishes bonding coat in envelope open end one side inside face, and the bonding coat surface cannot not be provided with stickingly paper in addition; Perforation successively on the envelope potted ends fold line.

The set bonding coat of envelope open end one side inside face is ribbon, the not sticking paper on bonding coat surface is identical with its size, not sticking paper one end extend outwards, being convenient to not glue paper takes off, envelope open end one side inside face is a trapezoidal flap, the inside face of flap is established bonding coat, and the bonding coat surface also is provided with the identical not sticking paper of size.

Accompanying drawing 1 envelope is torn the two just schematic appearance of secure envelope open.

Accompanying drawing 2 envelopes tear open two just secure envelope launch scheme drawing.

Now the utility model is described in further detail in conjunction with the accompanying drawings: oblong envelope (1) one end opening, on envelope potted ends fold line, evenly be installed with small garden hole (2) successively, backguy (3) one ends are embedded in the angle inboard rectangular with closed end, the corresponding with it angle outside then fixing backguy (3) other end of along the fold line of successively perforation drawing rectangular with closed end, the outside is fixing to be pasted together backguy (3) and envelope (1) with triangle or square non-drying glue bar.Envelope (1) open end one side inside face is established a ribbon bonding coat, and (4), its surface also are provided with the sticking paper of big or small with it identical ribbon, and (5), reflexed behind sticking paper (5) the one end extend outwards is not so that cannot take off stickingly paper (5) when sealing.

During use, mail or other article are put into envelope, by prolonging the desirable sticking down paper of back reflexed part, inboard two surfaces of envelope are bonding relatively, seal after compressing; Another implementation method, envelope open end one side inside face are one to be trapezoidal flap, and its inside face is established bonding coat and sticking paper, and when sealing, it is promptly bonding with envelope with the flap invagination cannot not take off stickingly paper.During opening, tear triangle or square non-drying glue bar off, backguy is pulled through and envelope can be taken apart along the envelope closed end.

This kind envelope is torn two just secure envelopes open, does not damage content spare, tear open mouthful smooth, and have carry, conveniently use, characteristics inexpensive, free from environmental pollution.

Claims (3)

1, a kind of envelope is torn two just secure envelopes open, comprises envelope and seals off the backguy of usefulness, and it is characterized in that: (1) described envelope open end one side inside face is established bonding coat, and the bonding coat surface cannot not be provided with stickingly paper in addition; (2) perforation successively on the described envelope closed end fold line.

2, envelope as claimed in claim 1 is torn two just secure envelopes open, it is characterized in that the set bonding coat of envelope open end one side inside face is ribbon, and the sticking paper on bonding coat surface is identical with its size, and sticking paper one end extend outwards is convenient to take off not gluing paper.

3, envelope as claimed in claim 1 is torn two just secure envelopes open, it is characterized in that envelope open end one side inside face is a trapezoidal flap, and the inside face of flap is established bonding coat, and the bonding coat surface also is provided with the identical sticking paper of size.

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