WO2013141601A1

WO2013141601A1 - Cushion sofa using foamed polyethylene sheet

Info

Publication number: WO2013141601A1
Application number: PCT/KR2013/002295
Authority: WO
Inventors: 이성우
Original assignee: Lee Sung Woo
Priority date: 2012-03-23
Filing date: 2013-03-20
Publication date: 2013-09-26
Also published as: KR200463114Y1

Abstract

The present disclosure relates to a cushion sofa using a foamed polyethylene sheet. More particularly, a first member (10) is prepared by stacking and bonding a plurality of foamed polyethylene sheets in a transverse direction and a second member (20) is prepared by stacking and bonding a plurality of foamed polyethylene sheets in a longitudinal direction; and the cushion sofa is manufactured such that a seating part (1) is formed of the second member (20) having more excellent vertical cushioning force than the first member (1) and an armrest part (2) and a back part (3) are formed of the first member (10) having more excellent vertical supporting force than the second member (20). Therefore, the cushion sofa has small weight in total, has excellent restoring force to reduce deformation caused by damage and sagging, and has good collision safety. Above all, the cushion sofa is environmentally friendly because wood is not used.

Description

Cushion sofa using foamed polyethylene sheet

The present invention relates to a cushion sofa, and more specifically, the first and second members having a plurality of laminated polyethylene sheets in the transverse and longitudinal directions are cut to form a seat, armrest, and back of the sofa, wherein the first The seat portion is formed of a second member having a superior upper and lower cushioning force than the member, and the arm member and the back plate portion are formed as a first member having a higher upper and lower support force than the second member. The present invention relates to a cushion sofa using a foamed polyethylene sheet having less deformation of the back, excellent impact safety, long life, and most of all, no use of wood.

Recently, the living room culture has developed in the house, so the sofa is basically used.

Such a conventional sofa is composed of a seat portion, armrests on both sides of the seat portion and a back plate portion on the back, and there is a corrugated cardboard portion, a cushion portion of a predetermined thickness, and the cushion to prevent the deformation of the skeleton portion and the skeleton portion by wood therein. It consists of a cover surrounding the part.

That is, the conventional sofa is manufactured by forming a rough frame made of wood and then wrapping the cover of cardboard, cushioning material and cloth or leather on the wood frame.

This conventional sofa had the following problems.

Conventional sofas have a problem in that the overall weight is heavy because the frame is made of wood, and the restoring force of the cushion part is poor, and thus, the sofa cannot be used for a long time due to breakage, sag deformation, or the like.

In addition, there is a risk of safety accidents for children because the collision safety is lowered because the frame is made of wood, and above all, there is a problem that the durability is not only environmentally friendly due to the use of wood.

On the other hand, the Republic of Korea Utility Model Registration No. 20-303068 has been described as a sofa for infants to ensure safety by forming a cushion layer using a foamed resin, but this is because the structure of the sofa simply because the cushion layer is formed integrally with foam resin, For example, it did not consider the functional characteristics of the seat, armrests and back, but had a limitation of giving only cushioning force.

In addition, the infant sofa simply forms a foamed resin integrally, and thus has a weak bearing force, so that a separate wooden board structure is required, thereby not fundamentally solving the problems of the conventional sofa.

The present invention is designed to solve the above-mentioned problems of the prior art, comprising a first member laminated and bonded the foamed polyethylene sheet in the transverse direction, and a second member laminated and bonded the foamed polyethylene sheet in the longitudinal direction The seat is formed of a second member having a superior upper and lower cushioning force than the first member, and the arm member and the back plate are formed as a first member having a higher upper and lower bearing force than the second member, so that the overall weight of the sofa is light and the restoring force is excellent. Its purpose is to provide environmentally friendly features due to less deformation of breakage, sag, excellent crash safety, long life and, above all, no use of wood.

The present invention is to laminate at least two or more foam polyethylene sheet, comprising a first member laminated and bonded the foamed polyethylene sheet in the transverse direction, and a second member laminated and bonded the foamed polyethylene sheet in the longitudinal direction to the first , 2 members are cut to form a seat, armrest and back of the sofa.

The second member having a superior upper and lower cushioning force than the first member is cut to form a seating portion of the sofa, and the first member having a higher upper and lower support force is cut to cut the armrests and back portions of both sides of the sofa. It is characterized by the fact that it forms.

The first member of the present invention is to form a thinner foamed polyethylene sheet more thinly to form a densely stacked form so that the upper and lower bearing capacity is better than the second member.

There is a characteristic.

The present invention is characterized in that the upper and lower support plates are assembled and installed to be connected to the lower side of the lower armrest portion by a connecting shaft, and the support legs are fixed to the lower support plate.

The first member forming the armrest portion and the back of the back side of the sofa of the present invention is divided into at least two or more divided bodies along the transverse direction to form a thermal bonding portion cured by thermal bonding the divided surfaces between the respective divided bodies Its characteristics are that it forms and interconnects.

The present invention is characterized in that the split body of the first member reinforces the first member by inserting an iron plate between the foamed polyethylene sheets from the side.

The present invention is to cut the first, second member laminated a plurality of foamed polyethylene sheet in the transverse direction, longitudinal direction to configure the seat portion, armrest portion, back plate of the sofa, but the superior cushioning force than the first member The seat member is formed of two members, and the armrest portion and the back plate portion are formed by the first member having a higher up and down bearing force than the second member, so the overall weight is light, and the restoring force is excellent, so that there is little deformation such as breakage and sag, It has excellent safety, long life, and most of all, no use of wood, which has an environmentally friendly effect.

1 is a front view showing a sofa of the present invention.

2 is an enlarged view illustrating main parts of FIG. 1;

3 is a side cross-sectional view of FIG. 1;

Figure 4 is an assembly configuration of the first member of the present invention.

5 is an assembly configuration of the second member of the present invention.

Figure 6 is a sectional view of the main portion showing another embodiment of the support leg of the present invention.

7 is a cross-sectional view showing another embodiment of the present invention

FIG. 8 is an enlarged sectional view taken along line “A” of FIG. 7;

9 is a side cross-sectional view of FIG. 7.

FIG. 10 is an enlarged sectional view taken along line “B” of FIG. 9;

Figure 11 is an exploded perspective view of the main portion showing another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the present invention will be described in detail.

Cushion sofa using the present invention polyethylene foam seat is composed of a seat portion 1, the armrest portion (2) (2) on both sides of the seat portion and the back plate portion (3) as shown in Figs. Is done.

In particular, at least two or more foamed polyethylene sheets 5 are laminated, but the first member 10 in which the foamed polyethylene sheet is laminated in the transverse direction and the second member 20 in which the foamed polyethylene sheet is laminated in the longitudinal direction. The first and

second members

10 and 20 may be cut to form a seat 1, an armrest 2, and a back 3 of the sofa.

That is, the second member 20 having a better upper and lower cushioning force than the first member is cut to form a seat 1 of the sofa, and the first member 10 having an upper and lower supporting force is cut by the second member. It is comprised so that the armrest part 2 (2) of the sofa both sides, and the back part 3 of the back side are formed.

In this case, the first member 10 has a vertical support force, and the second member 20 has a vertical cushion force, so the first member 10 is formed to have a slimmer polyethylene foam thickness than the second member 20. To form a densely stacked, preferably the first member 10 is 10mm or less, the second member is formed by forming a polyethylene sheet of 10mm or more.

In addition, the first and

second members

10 and 20 constituting the seat 1 of the sofa, the

armrests

2 and 2 on both sides of the seat, and the back plate 3 on the back are heat treated and flameproofed. It is configured to cover and produce the sponge sheet 30 and the outer shell 40 to the outside after the treatment.

And the support plate 50 may be installed on the lower portion of the sofa, the support plate is formed in a structure in which the support frame is installed at intervals of 30 ~ 40cm and the rectangular frame is installed along the lower edge of the sofa and the rectangular frame. and,

The support plate 52 can be installed and configured without the support plate. In this case, as shown in FIG. 6, the upper and lower support plates 55 and 55 'are connected to the connecting shaft 56 at the lower sides of the armrests. In addition, the support leg 52 may be fixed to the lower support plate 55 'by being fixed by welding or bolting.

On the other hand, the present invention is not limited to the foamed polyethylene resin, it is possible to replace the sheet having a cushioning force, such as foamed polyethylene resin, and the degree of change of such a simple material is found to belong to the scope of the present invention.

Next will be a look at the operation and action of the subject innovation configured as described above.

The present invention is to produce a sofa using a foamed polyethylene sheet (5).

First, a plurality of the laminated polyethylene sheets in the transverse direction are laminated to form the first member 10.

The second polyethylene sheet 20 is formed by laminating the expanded polyethylene sheet in the longitudinal direction.

The sofa is manufactured by cutting the first and

second members

10 and 20 manufactured as described above.

That is, the seat member 1 of the sofa is formed by cutting the second member 20 having superior upper and lower cushioning force than the first member. In addition, the first member 10, which has better up and down support force than the second member, is cut to form

armrest parts

2 and 2 on both sides of the sofa and the back plate part 3 on the back side.

At this time, the first member 10 is the upper and lower support force, the second member 20 is the upper and lower cushioning force is important, so the first member 10 is laminated more thinner than the second member 20 foam polyethylene sheet thickness Forming, but preferably, the first member 10 is 10mm or less, the second member is applied to 10mm or more.

The first and

second members

10 and 20 constituting the seat 1 of the sofa, the

armrests

2 and 2 on both sides of the sofa, and the back plate 3 on the back are heat treated and flameproofed. After the cover is covered with a sponge sheet 30 and the outer shell 40 to complete the manufacture.

The sofa of the present invention manufactured as described above has a seat cushion (1) laminated up and down the foamed polyethylene sheet (5) up and down, and excellent cushioning feeling, the back portion (3) is laminated back and forth foamed polyethylene sheet (5) before and after Excellent cushioning will maximize comfort.

In addition, the armrests (2) (2) and the back plate (3) on both sides of the seat (1) are laminated with the foamed polyethylene sheet (5) back and forth to have excellent support for up and down, so that the armrest and back plate can be used firmly. will be.

Of course, the sofa of the present invention may be applied differently to the seat portion 1, the armrest portion (2) (2) and the back portion (3) of the sofa, the first and second members (10) and (20) of course. to be.

In addition, the sofa of the present invention can form a support leg 52 together with the support plate 50 in the lower portion, but can also be configured separately installed only the support leg 52 without the support plate.

This is to install and assemble the upper and lower support plates 55, 55 'to be connected to the connecting shaft 56 in the lower armrest portion, and the support leg 52 is fixed to the lower support plate 55'.

In addition, the present invention cuts the first and second members in which a plurality of foamed polyethylene sheets are laminated in the transverse and longitudinal directions to form a seat, armrest, and back of the sofa, so that the overall weight is lighter and resilient than that of the conventional sofa. Because of this, there is little deformation of breakage, sag, etc., excellent crash safety, long life, and most of all, there is no use of wood, so it has an environmentally friendly effect.

Meanwhile, the present invention may be implemented differently as shown in FIGS. 7 to 10, which is a first member 10 and at least two laminated polyethylene foams 5 in a transverse direction, and a foamed polyethylene sheet 5. ) To form a second member 20 laminated at least two or more in the longitudinal direction, and cut the second member 20 having a superior upper and lower cushioning force than the first member to form a seat 1 of the sofa. And, by cutting the first member 10 having a superior up and down support than the second member to form the armrest portion (2) (2) and the back plate portion (3) on both sides of the sofa, the armrest portion (2) on both sides of the sofa (2) and the first member 10 forming the back plate portion 3 on the back is divided into at least two or more divided bodies 10 'along the transverse direction to divide between the respective divided bodies 10'. The surface is formed to be interconnected by forming a thermal bonding portion 12 cured by thermal bonding.

This embodiment of the present invention is the first member 10 of the site where the support force is required, such as the armrest portion (2) (2) and the back plate portion (3) on both sides of the sofa compared to the above-described preferred embodiment Is not integrally formed, but is divided into a plurality along the transverse direction to interconnect each of the divided bodies 10 'to form a thermally bonded portion 12 that is cured by thermal bonding. By securing a superior support by the will be long durability.

In addition, the present invention can be configured to reinforce the first member by inserting the iron plate 15 between the foamed polyethylene sheet 5 on the side of the split body 10 'of the first member 10 as shown in FIG. will be.

In this case, the iron plate 15 may be inserted into and installed in all the divided bodies 10 'in a smaller size than the divided bodies, or may be inserted and installed in the divided bodies 10' at two or three interval positions.

That is, when the first member 10 is used as

armrest parts

2 and 2 on both sides of the sofa and the back part 3 on the back side, the support plate is secured by the iron plate 15 so that durability is further increased. Will be done.

Claims

In the cushion sofa composed of a seat 1, armrests 2 and 2 on both sides of the seat and a back plate 3 on the back,

At least two or more foamed polyethylene sheets (5) are laminated, wherein the first member (10) laminated and bonded to the foamed polyethylene sheet in a transverse direction, and the second member (20) laminated and bonded to the foamed polyethylene sheet in a longitudinal direction And foaming the first and second members 10 and 20 to form the seat 1, the armrest 2, 2 and the back 3 of the sofa. Cushion sofa using.
The method of claim 1,

Cut the second member 20 having a better upper and lower cushioning force than the first member to form the seat 1 of the sofa, and cut the first member 10 having a better upper and lower support force than the second member to cut both sides of the sofa. Cushion sofa using a foamed polyethylene sheet, characterized in that the armrest portion (2) (2) and the back plate portion (3) of the back.
The method of claim 1,

Cushion sofa using a foamed polyethylene sheet characterized in that the first member 10 is formed to form a densely stacked by forming a foamed polyethylene sheet thickness more slim than the second member 20 to better support the up and down.
The method of claim 2,

The upper and lower support plates 55 and 55 'are installed to be connected to the connecting shaft 56 at the lower sides of the armrests, and the support legs 52 are fixed to the lower support plate 55'. Cushion sofa using foamed polyethylene sheet.
In the cushion sofa composed of a seat 1, armrests 2 and 2 on both sides of the seat and a back plate 3 on the back,

1st member 10 which laminated | stacked and bonded at least 2 or more foamed polyethylene sheets 5 to the lateral direction, and the 2nd member 20 which laminated | stacked and bonded at least 2 or more foamed polyethylene sheets 5 to a longitudinal direction are comprised, Cut the second member 20 having a better upper and lower cushioning force than the first member to form the seat 1 of the sofa, and cut the first member 10 having a better upper and lower support force than the second member to cut both sides of the sofa. The first member 10 to form the armrest portion (2) (2) and the back plate portion (3) of the back, the armrest portion (2) (2) and the back plate portion (3) of both sides of the sofa Is divided into at least two or more divided bodies 10 'along the transverse direction to form a thermal bonding portion 12, which is cured by thermal bonding, between the divided bodies 10' and formed to be interconnected. Cushion sofa using foamed polyethylene sheet characterized by the above-mentioned.
The method of claim 5,

Cushion using foamed polyethylene sheet, characterized in that the split body (10 ') of the first member 10 is configured to reinforce the first member by inserting the iron plate 15 between the foamed polyethylene sheet (5) from the side sofa.