CN216003714U

CN216003714U - Pull ring gasket with metal texture

Info

Publication number: CN216003714U
Application number: CN202121464311.5U
Authority: CN
Inventors: 林家熠
Original assignee: Shantou Wanqi Packaging Materials Co ltd
Current assignee: Shantou Wanqi Packaging Materials Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-11
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a breathable pull ring gasket, which comprises a bonding seal layer, an aluminum layer and a back lining layer, wherein the bonding seal layer is attached to the lower surface of the aluminum layer, the back lining layer is attached to the upper surface of the aluminum layer, the back lining layer is provided with a handle part, an annular cutting line and a strip-shaped cutting line, the back lining layer is divided into an outer ring and an inner ring by the annular cutting line, the handle part is positioned in an area surrounded by the annular cutting line, the root of the handle part is connected with the inner ring, and the strip-shaped cutting line is connected with the annular cutting line and one side edge of the handle part, and the breathable pull ring gasket is characterized in that: the pull ring gasket further comprises a breathable film layer, a through hole is formed in the pull ring gasket, and the breathable film layer is attached to the pull ring gasket and covers the through hole. The breathable pull ring gasket has good air permeability, and can prevent the aluminum layer of the pull ring gasket from bulging due to the fact that the aluminum layer is inflated.

Description

Pull ring gasket with metal texture

Technical Field

The present invention relates to a gasket, and more particularly, to a metallic pull ring gasket.

Background

After the packaging bottles or packaging cans for pills, milk powder, engine oil and the like are filled, sealing gaskets are usually adopted at bottle mouths or can mouths for sealing. The pull ring gasket generally includes glues seal coat, aluminium lamination and back sheet, glues the lower surface of seal coat attached to the aluminium lamination, and the back sheet is attached to the upper surface at the aluminium lamination, is equipped with handle portion, cyclic annular cutting line and strip cutting line on the back sheet, and the back sheet is divided into outer circle ring sum inner circle ring by cyclic annular cutting line, and the handle portion is in the region that cyclic annular cutting line encloses, and the root and the inner circle of handle portion encircle and are connected. When the pull ring gaskets are stacked, the backing layer of one pull ring gasket is possibly attached to the adhesive sealing layer of the other pull ring gasket, the backing layer is easy to deform locally due to pulling during separation, and the backing layer is usually light in colors of rice white, rice yellow, light yellow and the like, so that marks are easy to leave on the surface of the backing layer, and the quality of finished products of the pull ring gaskets is influenced.

Disclosure of Invention

The utility model aims to provide a metal-texture pull ring gasket, which has a smooth surface and metal texture, is easier to separate when two pull ring gaskets are tightly attached, and improves the quality of the pull ring gasket. The technical scheme is as follows:

the utility model provides a pull ring gasket with metal feel, including gluing the seal, aluminium lamination and back sheet, glue the lower surface that the seal adheres to at the aluminium lamination, the upper surface at the aluminium lamination is adhered to the back sheet, be equipped with handle portion on the back sheet, cyclic annular cutting line and strip cutting line, the back sheet is divided into outer circle ring sum inner circle ring by cyclic annular cutting line, handle portion is in the region that cyclic annular cutting line encloses, the root and the inner circle ring of handle portion are connected, a side edge of cyclic annular cutting line and handle portion is connected to the strip cutting line, its characterized in that: a metal layer is attached to the upper surface of the backing layer.

In a preferred embodiment of the present invention, the backing layer is combined with a base film layer, and the metal layer is formed by plating a metal on the base film layer.

In another preferred embodiment of the present invention, the metal layer is a metal film, and the metal film is compounded on the upper surface of the backing layer through a glue layer.

The metal layer is used for forming metal luster on the surface of the backing layer, so that the surface of the backing layer is smooth, the appearance effect of the pull ring gasket is improved, and the metal layer cannot be adhered to the adhesive sealing layer of another pull ring gasket. In general, aluminum, zinc, or the like is used as a material of the metal layer.

The adhesive sealing layer is directly compounded on the lower surface of the aluminum layer, and the material of the adhesive sealing layer can be one of Polyethylene (PE), polyethylene terephthalate (PET), polypropylene (PP), hot melt adhesive or polyolefin hot melt adhesive.

The back lining layer is compounded on the upper surface of the aluminum layer through an adhesive layer. The backing layer can be plastic film, paperboard, foaming board or plastic board; the PE foaming board also comprises a PE foaming board and a PE film, wherein the PE film is compounded on the upper surface of the PE foaming board.

In addition, some packaging bottles or packaging cans are used for filling granular solids (such as pills and tablets), liquids (such as beverages) or thick fluids (such as sauce), and because the mouth or the mouth of the bottle is large, after the pull ring gasket is completely torn open, the granular solids or the liquids are easy to spill out during pouring, and some filling materials with volatile gas can be excessively volatilized due to the fact that the mouth or the mouth of the bottle is completely opened, and the using effect is affected. Therefore, as a further preferable aspect of the present invention, the annular cutting line is formed by connecting an arc cutting line and a straight cutting line, and the strip-shaped cutting line is connected to a middle portion of the straight cutting line. The annular cutting line is connected by circular arc cutting line and straight line cutting line and forms, tears the pull ring completely and forms a semicircular opening on the gasket after, and open-ended opposite side is the backing layer that does not have the destruction, when empting the thing in the packing bottle/jar, forms a baffle on open-ended upper portion to certain current-limiting effect has, avoids spilling granular solid or liquid easily when empting.

As a further preferable scheme of the utility model, a plurality of adhesion points are further arranged between the outer ring and the inner ring. The outer ring and the inner ring are connected together through a plurality of adhesion points, so that the pull ring can be torn more conveniently and pulled up better.

Compared with the prior art, the utility model has the following advantages:

the metal layer is additionally arranged on the substrate layer of the pull ring gasket with metal texture and is used for forming metal luster on the surface of the back lining layer, so that the surface of the back lining layer is smooth, the appearance effect of the pull ring gasket is improved, the pull ring gasket cannot be adhered to the adhesive sealing layer of the other pull ring gasket, the two pull ring gaskets are easy to separate when being tightly adhered, and the quality of the pull ring gasket is improved.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

wherein, each is marked as: 1-adhesive seal, 2-aluminum layer, 3-backing layer, 301-handle, 302-circular cut line (example one), 303-strip cut line, 304-outer circle, 305-inner circle, 306-adhesive point, 4-metal layer, 5-glue layer (for backing layer composite aluminum layer), 6-base film layer, 302 ' -circular cut line (example two), 3021 ' -circular cut line, 3022 ' -straight cut line, 4 ' -metal film, 5 ' -glue layer (for metal film composite backing layer).

Detailed Description

The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.

Example one

As shown in fig. 1 and 2, a metallic tab gasket comprises an adhesive seal layer 1, an aluminum layer 2, a backing layer 3 and a metal layer 4, wherein the adhesive seal layer 1 is directly compounded on the lower surface of the aluminum layer 2, and the backing layer 3 is compounded on the upper surface of the aluminum layer 2 through an adhesive layer 5; a base film layer 6 is compounded on the upper surface of the back lining layer 3, and metal is electroplated on the base film layer 6 to form a metal layer 4; the backing layer 3 is provided with a handle part 301, an annular cutting line 302 and a strip-shaped cutting line 303, the backing layer 3 is divided into an outer ring 304 and an inner ring 305 by the annular cutting line 302, and a plurality of adhesion points 306 are arranged between the outer ring 304 and the inner ring 305; the handle portion 301 is located in an area surrounded by the annular cutting line 302, the root of the handle portion 301 is connected to the inner ring 305, and the strip-shaped cutting line 303 connects the annular cutting line 302 and one side of the handle portion 301.

The metal layer 4 is additionally arranged on the substrate layer of the metal-textured pull ring gasket, and the metal layer 4 is used for forming metal luster on the surface of the backing layer 3, so that the surface of the backing layer 3 is smooth, the appearance effect of the pull ring gasket is improved, and the pull ring gasket cannot be adhered to the adhesive sealing layer 1 of another pull ring gasket. In addition, connecting the outer ring 304 and the inner ring 305 together by a plurality of adhesive points 306 provides for easier tearing and better pull-up of the tab.

Example two

As shown in fig. 3 and 4, in the case where the other parts are the same as those of the first embodiment, the difference is that: the metal layer 4 ' is a metal film, and the metal film 4 ' is compounded on the upper surface of the back lining layer 3 through a glue layer 5 '; the circular cutting line 302 'is formed by connecting an arc cutting line 3021' and a straight cutting line 3022 ', and the linear cutting line 303 is connected to the middle of the straight cutting line 3022'.

Aiming at the problem that some packaging bottles or packaging cans are used for filling granular solids (such as pills and tablets), liquids (such as beverages) or thick fluids (such as sauce), the openings or the mouths of the bottles or the cans are large, the granular solids or the liquids are easy to spill out when the pull ring gasket is completely torn open, and some filling materials with volatile gas can be excessively volatilized due to the fact that the mouths and the mouths of the bottles or the cans are completely opened, and the using effect is affected. Therefore, the circular cutting line 302 is formed by connecting the circular cutting line 3021 'and the straight cutting line 3022', a semicircular opening is formed on the gasket after the tab is completely torn off, the backing layer 3 which is not damaged is arranged on the other side of the opening, and when the contents in the packaging bottle/can are poured, a baffle is formed on the upper part of the opening, so that a certain flow limiting effect is achieved, and granular solids or liquid can be prevented from being easily spilled out when the packaging bottle/can is poured.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a pull ring gasket with metal feel, including gluing the seal, aluminium lamination and back sheet, glue the lower surface that the seal adheres to at the aluminium lamination, the upper surface at the aluminium lamination is adhered to the back sheet, be equipped with handle portion on the back sheet, cyclic annular cutting line and strip cutting line, the back sheet is divided into outer circle ring sum inner circle ring by cyclic annular cutting line, handle portion is in the region that cyclic annular cutting line encloses, the root and the inner circle ring of handle portion are connected, a side edge of cyclic annular cutting line and handle portion is connected to the strip cutting line, its characterized in that: a metal layer is attached to the upper surface of the backing layer.

2. The metallic pull ring tab shim of claim 1 wherein: the back lining layer is compounded with a base film layer, and the metal layer is formed by electroplating metal on the base film layer.

3. The metallic pull ring tab shim of claim 1 wherein: the metal layer is a metal film, and the metal film is compounded on the upper surface of the back lining layer through an adhesive layer.

4. A metallic tab shim as claimed in claim 2 or 3 wherein: the annular cutting line is formed by connecting an arc cutting line and a linear cutting line, and the strip-shaped cutting line is connected to the middle of the linear cutting line.

5. The metallic pull ring tab shim of claim 1 wherein: a plurality of adhesion points are further arranged between the outer ring and the inner ring.