KR20110013095A

KR20110013095A - Sandwich form sponge buoy

Info

Publication number: KR20110013095A
Application number: KR1020090071095A
Authority: KR
Inventors: 황보국정
Original assignee: 황보국정
Priority date: 2009-08-01
Filing date: 2009-08-01
Publication date: 2011-02-09

Abstract

The present invention relates to a buoy for aquaculture, which is used to protect a net or aquaculture facilities on the water when farming aquatic products such as fish or seaweeds in the sea or reservoir.

Currently, foamed styrofoam is widely used as a buoy manufacturing material widely used as a buoy for aquaculture. However, buoys made of styrofoam materials are not good in their physical properties such as tensile strength and elongation and are easily damaged by impact and other external environmental conditions. Debris is a major source of environmental pollution that pollutes oceans and rivers.

By supplementing the shortcomings of the styrofoam buoys made of such styrofoam, it extends the service life of the buoys and prevents the debris from easily broken even if broken during use to facilitate the collection, thereby preventing environmental pollution due to buoys debris Its purpose is to produce buoys for environmentally friendly buoys that can minimize environmental degradation.

Description

Sandwich form sponge buoy {Sandwich form sponge buoy}

The present invention relates to a method for manufacturing buoys used for fishing, and the styrofoam buoys widely used at present are easily broken during use, causing debris to contaminate the surrounding sea.

Buoys made of styrofoam are made of oval hemispherical foam foam using resin with good tensile strength, elongation and rebound elasticity, and the foam foam hemisphere is not easily broken and broken in the external environment like Styrofoam buoys. This is in making a good buoy.

The present invention relates to a buoy used for fishing. More specifically, the present invention replaces buoys made of styrofoam used for aquaculture in fisheries to prolong the service life of the buoys and to prevent them from being broken during use to facilitate the collection to minimize marine pollution due to debris debris. The present invention relates to an environment-friendly buoy that can protect the environment by maintaining a clean sea environment and prevent waste of finite resources.

Currently, the main material of the buoy for fishing is styrofoam. Styrofoam buoys are widely used due to the low cost of materials and simple manufacturing process, but they are easily damaged during use due to their low durability, and the damaged styrofoam parts are broken into pieces and broken up, making it difficult to collect sea and rivers. It is emerging as one of the important causes of polluting environmental pollution, and in order to suppress the occurrence of this, a buoy wrapped with plastic or covered with a woven bag made of PP (Poly Propylene) resin is also manufactured to suppress the occurrence of this. to be.

Buido base material manufactured in this form is styrofoam, so the service life may be extended, but the basic problem is not approached. Still, due to the waste styrofoam, the environmental pollution of the sea or river is in serious condition.

Therefore, buoys made of styrofoam, which is the main cause of environmental pollution in the sea or rivers, have two types of buoyant oval foam foams made of resin such as EVA (Ethylene Vinyl Acetate) or PE (Poly Ethylene) with good tensile strength and elongation resilience. An elliptical sphere made of a resin such as PET (Poly Ethylene Terephthalate), which has high hardness and high impact resistance that can be inserted into the hemisphere, is placed inside a single foam foam hemisphere. Cover with another foam foam hemisphere and glue around the two foam foam hemispheres.

Conventional buoys are made of styrofoam material, in the present invention buoy foam foam is a material that can have durability in the harsh external environment, the tensile strength, elongation rate and resilience is excellent foam foam compared to styrofoam Widely used EVA as a material for the manufacture of foam foam Or P.E. The resin, such as a foaming agent and a crosslinking material and various additives suitable for the production of foam foams for buoys are blended, and using a foam mold suitable for buoys to form a hemispherical spherical hemispherical foam of a certain thickness. P.E.T. with high hardness and impact resistance on the hemispheres Using a resin such as a plastic foam hemispheres put into the inside of the foam-formed hemisphere, put the vacuum-shaped oval spheres, cover the oval spheres with another foam foam hemisphere, and then adhere the circumference of the two foam foam hemispheres Oval spheres of foam foam are prepared.

In order to protect the outer skin layer of the oval sphere foam foam from the outside, the outer foam layer of the oval foam foam sphere is covered with a resin having good impact resistance or a stretchable resin having good tensile strength and elongation. Make a buoy.

In this way, based on the foam foam layer, the outer and the inner parts are made of the same resin of high hardness and impact resistance, or the inside is made of high hardness and high impact resistance resin and the outside is tensioned. The sandwich-type buoys mainly made of foam foams made of resins having different strengths and elongations using elastic resins having good strength and elongation are completely formed as air layers, and the foam layers have physical properties. Since it is foamed with a resin that is much better than styrofoam, it is resistant to external shocks, so it can be used for a long time and is not easily damaged by the external environment, and even if damaged, it is easy to collect because it does not generate debris due to debris like styrofoam. Sandwich laminated with non-foamed resin inside and outside of the oval foam foam ball Characterized by a configuration state doeeojim.

In order to protect the foam foam of the oval foam foam sphere, which is completed by bonding, to improve the durability of buoys, a resin having good impact resistance of high hardness or elasticity such as tensile strength, elongation repulsion elasticity, etc. If you make the buoy by covering the epidermal layer with a covering, the buoy will not be damaged by the external environment during use and can be used for a long time. As foam is not decomposed into crumbs like styrofoam, it is easy to collect, so it is sandwich foam foam buoy which can minimize damage of environmental pollution in the sea.

The present invention is composed of styrofoam foams that are poor in physical properties and durability, such as tensile strength, elongation, rebound elasticity commonly used in order to prevent environmental pollution of the sea caused by the styrofoam buoy used in aquaculture in the sea EVA with superior physical properties and durability than styrofoam foam Or P.E. Foam foam is made of resin and the like, and the foam foam is replaced by using the foam foam to produce an eco-friendly buoy with good durability.

In the present invention, E.V.A. Or P.E. Foams foamed using such materials are widely used in the shoe industry because they have good physical properties such as tensile strength, elongation rate, and resilience. However, in order to manufacture foams having a large volume like buoys, crosslinking and There are many problems in the foaming work, and until now, we have studied how to manufacture buoys by replacing styrofoam with these resins without any strings. However, it is still a great effect to prepare large buoys using these resins. Has not achieved.

It is an object of the present invention to produce a buoy which can replace the styrofoam by solving the problem of the foaming operation due to this volume problem.

According to the present invention, E.V.A. Or P.E. If you make an oval foam foam hemisphere suitable for buoys using a resin such as, and put an oval sphere of airbags with high hardness and high impact resistance inside the hemisphere to produce a three-ply sandwich type buoy,

1. The material is saved, so the consumption of raw materials can be saved.

2. It is easy to adjust the thickness of foam foam hemisphere, which can shorten the crosslinking molding time and improve productivity.

3. It is easy to collect because foam foam is not broken.

4. It is possible to minimize sea pollution due to less waste generated by damage.

5. The durability of buoys can be extended and the replacement cycle can be extended, resulting in a reduction in labor force, thereby improving cost competitiveness in aquaculture.

As seen from the above effects, the most important effect in the buoy of the sandwich form is that it can significantly improve the environmental pollution of the sea caused by styrofoam buoys.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes and modifications are possible within the spirit of the present invention, and such modifications and modifications belong to the appended claims. will be.

The present invention can improve the cost competitiveness of aquaculture due to labor by minimizing the environmental pollution of the sea and by extending the use period of the buoys by replacing the commercially used styrofoam buoys.

In the present invention, Figure 1 shows a state in which the air bag elliptical sphere 13 is entered into the elliptical lower foam foam hemisphere (11).

Elliptical foam foam hemispheres (11, 11-1) for buoys are manufactured in E.V.A. Or P.E. Add the blowing agent, crosslinking material and other necessary chemicals and compounding agents to the resin and mix them precisely using kneader and mixing roll.

Accurately mixed resin mixture was heated in a foaming press for heating and placed in an oval foam mold for producing buoys in a suitable amount for a mold's capacity, and crosslinked by heating for a predetermined time. When the resin mixture in the mold is released, the resin compound in the mold is instantaneously foamed into the same form as the contents of the mold by gas decomposition of the foaming agent, so that the upper and lower foam foam hemispheres 11 and 11-1 are elliptical. Molded.

Air bag with good hardness and high impact resistance to enter the lower foam foam hemisphere 11 The elliptical sphere 13 has a high hardness, such as PET, which is frequently used for drinking water bottles and other high hardness and impact-resistant containers. It is made of a resin having good impact properties, and is manufactured by vacuum molding to a thickness capable of withstanding water pressure without deformation in the foam foam even when submerged in water by a weight of an object connected to a buoy.

Into the elliptic lower foam foam hemisphere 11, a vacuum-hardened high impact impact air pocket sphere 13 was placed, and another upper foam foam hemisphere 11-1 was placed in the elliptic sphere 13 After covering the upper surface 12 of the two foam foam hemispheres using an adhesive to bond the two foam foam in a state in which the sphere (13) in the interior to produce a buoy primary product.

The outer skin layer of the primary foam foam of the buoy first manufactured is made of a thin film and the circumference of the foam foam is vulnerable to external conditions in the state of being bonded with an adhesive, so that the hardness of the buoy is improved to protect the skin layer and the adhesive part and improve durability of the buoy. Using a resin having good impact resistance or a resin having good elasticity such as tensile strength, elongation, rebound elasticity, or the like, the surface 14 is finished and molded as needed to complete the buoy.

In this way, if the buoy is made into a sandwich form by laminating the outside and the inside with a resin or the like based on the foam foam, even if the inside space is filled with air, the air bag sphere made of high hardness impact resistant resin inside the buoy Since the inner structure of the buoy maintains its shape, the foam layers 11 and 11-1 of the outer skin layer absorb shocks, and the shell 14 prevents damage to the foam foam skin layer. Sandwich-type foam foam buoys are excellent durability compared to buoys made of styrofoam, and even if broken, it is possible to produce a high-quality eco-friendly buoys do not cause fragments like styrofoam buoys.

1 is a cross-sectional view of the air bag is inserted into the foam foam hemisphere.

Figure 2 is an internal view of the completed foam foam buoys are formed in the outer foam foam skin layer.

Claims

In buoys, which are generally used for aquaculture of fish and seaweeds in the sea, E.V.A. has better tensile strength, elongation, and resilience than styrofoam. Or P.E. Foam-molded with resin or the like to make oval foam foam for buoys into hemispherical form, and P.E.T. The oval sphere of the airbag, which is filled with an oval sphere of an air bag vacuum-molded with a resin such as a resin, is covered with another foam foam hemisphere, and then glued the circumference of the bifoam foam hemisphere. Make a primary buoy inside the form.

The outer foam foam of the buoy's first outer foam foam layer having high tensile strength, elongation rate, impact resistance, etc., or a low hardness resin film with good tensile strength, elongation rate, resilience, etc. Matters pertaining to the structure of a three-ply sandwich foam foam which is laminated on the skin layer to reinforce the durability of the buoy and its manufacturing method.