CN202213807U

CN202213807U - Plastic bag with rectangular bottom

Info

Publication number: CN202213807U
Application number: CN2011202502451U
Authority: CN
Inventors: 韦家田
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-15
Filing date: 2011-07-15
Publication date: 2012-05-09
Anticipated expiration: 2021-07-15

Abstract

The utility model discloses a plastic bag with a rectangular bottom, which comprises a main body surface and a side body surface, wherein the side body surface is folded inward along a central line; after being folded, the plastic bag is rectangular; a superposed part of the main body surface and a superposed part of the main body surface and the side body surface are provided with double-layer sealing lines at bottom edges of the plastic bag; the superposed part of the main body surface and the side body surface is characterized in that a 45-degree angle is formed between the bottom edge of the plastic bag and a connecting line from a crossing point of the central line and the bottom of the plastic bag to a point on a side edge of the main body surface of the plastic bag, and the connecting line is a double-layer sealing line; and after a bag opening is opened, the bottom of the plastic body is rectangular. The plastic bag with the rectangular bottom is made of film plastics, is low in cost, is disposable and is economical and practical for a user.

Description

The rectangular base plastic bag

Technical field

The utility model relates to a kind of daily necessities, relates in particular to a kind of rectangular base plastic bag.

Background technology

At present, also there is not a kind of uncovered plastic bag of rectangular base to can be used for the dustproof of square rectangle household electrical appliances such as refrigerator, laundry machine, wardrobe or article, when these household electrical appliances or article need prevent dust,, both impracticable also uneconomical mostly with tubular or plastic paper, cloth etc.

The utility model content

The technical matters that the utility model will solve is to overcome the deficiency of prior art, and a kind of rectangular base plastic bag is provided.

The utility model solves the technical scheme that its technical matters adopted: a kind of rectangular base plastic bag; Comprise main surface and lateral body face; The lateral body face is inwardly folding along center line; Plastic bag after folding is a rectangle, and main surface superposed part and main surface and lateral body face superposed part have double-deck sealing line in the bag feather edge; Main surface and lateral body face superposed part, becoming 45 along any the line on center line and bag intersection point to the bag main surface side at the end with a bag feather edge is double-deck sealing line.

Said rectangular base plastic bag material comprises film poly-vinyl or other thermoplastic materials.

But said main surface and lateral body face superposed part four jiaos are removed along the sealing line tearing.

Implement the technical scheme of the utility model, owing to adopt plastic film, cost is low, can be used as disposable use, for the user, and not only economy but also practicality.

Description of drawings

Fig. 1 is the perspective view of the utility model rectangular base plastic bag;

Fig. 2 is the planar structure scheme drawing of the utility model rectangular base plastic bag;

Fig. 3 is the planar structure scheme drawing after the utility model rectangular base plastic bag tears four horn scraps;

Fig. 4 is the block diagram after the utility model rectangular base plastic bag is opened.

The specific embodiment

To combine accompanying drawing and embodiment that the utility model is described further below; Extremely shown in Figure 4 like Fig. 1; A kind of rectangular base plastic bag of the utility model comprises main surface (1) and lateral body face (2), and lateral body face (2) is inwardly folding along center line (3); Plastic bag (as shown in Figure 2) after folding is a rectangle, and main surface (1) superposed part and main surface (1) and lateral body face (2) superposed part have double-deck sealing line in the bag feather edge; Main surface (1) and lateral body face (2) superposed part, becoming 45 along the line of a bit (b) on center line and bag intersection point (a) to bag main surface (1) side at the end with a bag feather edge is double-deck sealing line.The used material of said rectangular base plastic bag comprises film poly-vinyl or other thermoplastic materials.Four horn scraps of said main surface and lateral body face superposed part along double-deck sealing line (ab) but that tearing is removed is as shown in Figure 3.

During use, open sack, the plastic bag bottom is rectangular as shown in Figure 4.When the center line of two the lateral body faces of plastic bag in Fig. 2 after folding overlapped, the bottom of plastic bag was square.

The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.

Claims

1. rectangular base plastic bag; It is characterized in that, comprise main surface and lateral body face, the lateral body face is inwardly folding along center line; Plastic bag after folding is a rectangle, and main surface superposed part and main surface and lateral body face superposed part have double-deck sealing line in the bag feather edge; Main surface and lateral body face superposed part, becoming 45 along any the line on center line and bag intersection point to the bag main surface side at the end with a bag feather edge is double-deck sealing line.

2. rectangular base plastic bag according to claim 1 is characterized in that, said rectangular base plastic bag material comprises film poly-vinyl or other thermoplastic materials.

3. rectangular base plastic bag according to claim 1 is characterized in that, but said main surface and lateral body face superposed part four jiaos are removed along the sealing line tearing.