KR100829854B1 - The method for manufacturing a seat - Google Patents

Abstract

The present invention relates to a sheet manufacturing method used in passenger cars, business vehicles, cranes, heavy equipment vehicles, and the like, in particular, the planar heating element or linear heating element is secured by securing the diffusion passage of the urethane sponge foam liquid when the heating heater mounted on the seat Urethane sponge foam liquid is inserted into the diffusion hole formed in the mounted porous composite, and urethane sponge foam liquid is uniformly diffused and bonded to the porous composite and the seat cover to solve problems such as lifting, deformation, and uneven hardness of the seat cover. It is for.

Description

Sheet manufacturing method {The method for manufacturing a seat}

1 is a view showing the main configuration of a porous composite body having a planar heating element formed between the upper porous foam and the lower porous foam.

 2 is a view showing the main configuration of a porous composite body in which a linear heating element is integrally formed between an upper porous foam and a lower porous foam.

 3 is a cross-sectional view of FIG. 1, illustrating a state in which a planar heating element is installed.

 FIG. 4 is a cross-sectional view of FIG. 2, in which a linear heating element is installed, an upper porous foam member and another upper heating element protective material are used, and the lower protective material is a sectional view using the porous foam.

 5 is a plan view illustrating a state in which a seat cover is fixed to a foaming mold of the present invention and a porous composite for dissipating heat is fixed to an inner surface of the seat cover.

 FIG. 6 is a lateral cross-sectional view of FIG. 5, illustrating a state in which a porous composite that dissipates heat is seated in a mold for foaming. FIG.

7 is a block diagram showing a sheet manufacturing method of the present invention.

8 is a cross-sectional view using an upper porous foam different from an upper heating element protective material, and a lower protective material using a porous foam.

9 is a view showing a sheet manufacturing method without the seat cover of the present invention.

10 is a schematic view showing a state in which a sheet is manufactured.

[Code Description of Main Part of Drawing]

2. Upper porous foam 3. Lower porous foam

4. Planar heating element 5. Linear heating element

6. Seat cover 7. Foam mold

8. Seating surface 9. Top cover

10. Temperature control element 11. Electric wiring

12. Foam injection hole 13. Foam diffusion hole

14. Porous Synthesis 16. Urethane Foaming Area

17. Porous Hole 18. Upper Heating Element Protective Material

19. One side 20. Seat

21.Pad

The present invention relates to a sheet manufacturing method used in passenger cars, business vehicles, cranes, heavy equipment vehicles, etc., in particular, planar heating element that dissipates heat by securing the diffusion path of the urethane sponge foam liquid when the heater mounted on the seat is mounted Alternatively, the urethane sponge foam liquid is inserted between the foam diffusion holes formed in the porous composite body having the linear heating element, and the urethane sponge foam liquid is uniformly spread and adhered to the porous composite sheet and the seat cover, resulting in uneven lifting, deformation, and sponge hardness imbalance. This is to solve such problems.

Conventional heating heaters are classified into two types of linear heating elements and planar heating elements, both of which protect the heating element with a protective material, and when the protective material prevents the foaming liquid from interfacing with the seat cover when foaming the pad, the seat cover after foaming. Pads made of foamed molding materials due to the difference between the components of the protective material and the foamed sponge caused by the deformation of the foamed surface of the protective material to protect the foamed surface and the heating element Will cause a hardness imbalance of.

 In addition, when the seat cover is fixed to the foaming mold in the related art and the heater for foaming is fixed on the rear surface of the foaming foam, the sponge foaming liquid does not penetrate smoothly between the seat cover and the heater for heating, and thus the seat cover is lifted. , Problems such as deformation and uneven sponge hardness will occur.

The present invention has been made in order to solve the above-mentioned disadvantages, the object of the present invention relates to a sheet manufacturing method used in passenger cars, business vehicles, cranes, heavy equipment vehicles, and the like, in particular, is mounted on the sheet to generate heat When the planar heating element or linear heating element is installed, the urethane sponge foaming liquid is secured to the diffusion path of the urethane sponge foam, and the urethane sponge foaming liquid is inserted into the foaming diffusion hole formed in the porous composite body having the planar heating element or the linear heating element, and thus the urethane is inserted into the porous composite and the seat cover. The sponge foam liquid is uniformly diffused and adhered to form a pad, which is intended to solve problems such as lifting, deformation and uneven sponge hardness.

Referring to the configuration of the present invention for achieving the above object in more detail based on the accompanying drawings as follows.

The configuration of the present invention comprises the steps of forming a plurality of foaming diffusion spheres in the upper porous foam and the lower porous foam formed by foaming with a urethane sponge solution,

Forming a planar heating element or linear heating element which generates heat between the upper porous foam and the lower porous foam;

In the sheet manufacturing method comprising the step of seating the upper porous foam and the lower porous foam to the urethane foaming mold integrally to form a sheet,

The seat cover is vacuum-adsorbed and fixed to the inner surface of the mold for foaming, and a seating surface on which the lower porous foam is seated is marked on the inner surface of the seat cover, and the planar heating element or linear heating element is seated on the upper surface of the lower porous foam. And a fixed adhesive is applied, and a porous composite body which generates heat integrally by intimately contacting the lower end of the upper porous foam with the adhesive applied to the upper surface of the lower porous foam and the adhesive applied to the upper surface of the planar heating element or the linear heating element. Forming a,

The urethane foaming region formed inside the foaming mold through the urethane sponge solution formed on one side of the foaming mold cover formed on the foaming mold cover and the plurality of foaming diffusion holes of the porous composite. Injecting and foaming the urethane sponge solution on the inner surface of the seat cover to provide a sheet manufacturing method comprising the step of forming a sheet by forming a one-piece pad and the porous composite for heating.

In the forming of the porous composite, when the upper porous foam is not used, the upper heating element protective material formed of a sponge or urethane sponge is used. will be.

In the manufacturing of the sheet, when the sheet cover is excluded, the heat-generating porous composite body and the pad are integrally formed, and the sheet cover and the pad are fixed with an adhesive or a sewing machine to fix the sheet. It is to provide a sheet manufacturing method characterized in that configured to produce.

When described in more detail by the accompanying drawings the effect of the present invention made of the above configuration as follows.

1, 2, 3 and 4, Figures 1 and 3 is a porous composite body having a planar heating element (4) embedded between the upper porous foam (2) and the lower porous foam (3) ( 2), and FIG. 2 and FIG. 4 show the porous composite body 14 in which the linear heating element 5 is embedded between the upper heating element protective material 18 and the lower porous foam body 3.

In addition, the present invention is the upper porous foam 2 and the lower porous foam 3 is formed as the upper and lower protective material of the planar heating element 4 or the linear heating element 5, or the upper heating element protective material 18 and the lower porous foam ( 3) can be formed.

Alternatively, the planar heating element 4 or the linear heating element 5 may be formed by applying an adhesive between the upper porous foam 2 and the lower porous foam 3, the upper heating element protective material 18 and the lower porous foam body It may be formed between (3) it is seated.

In addition, a plurality of foaming diffusion holes 13 for urethane sponge foaming liquid are diffused to the upper porous foam 2 and the lower porous foam 3 at portions where the planar heating element 4 or the linear heating element 5 is not formed. Is formed.

In addition, as shown in Figs. 5 and 6, the foaming formed in the upper portion of the foaming die 7 inside the foaming diffusion hole 13 formed in a plurality of upper porous foam 2 and the lower porous foam 3 As the urethane sponge foam is inserted through the injection hole 12 formed on one side of the mold cover 9, the urethane foam foam is filled and the foam is filled to fill the inside of the urethane foam region 16 and the foam diffusion hole 13, thereby forming the upper porous foam 2. ) And the planar heating element 4 formed between the lower porous foam 3 and the lower foamed body 3 are integrally foamed to form a porous composite body 14 having a uniform hardness.

In addition, the urethane sponge foam liquid is to be foamed by diffusing through the porous hole 17 formed in the foaming diffusion hole 13 and the upper porous foam 2 and the lower porous foam 3, foam seat cover (6) And adhesion is made.

Referring to the configuration of the present invention in more detail, as shown in Figures 3, 4, 6 and 7, the sheet manufacturing method of the present invention is the upper porous foam (2) and the lower porous formed by foaming with a urethane sponge solution A plurality of foaming diffusion holes 13 are formed in the foam 3 (step S1).

Further, a planar heating element 4 or a linear heating element 5 that generates heat is formed between the upper porous foam 2 and the lower porous foam 3 (step S2).

Here, in the porous composite body 14 shown in Fig. 3, the planar heating element 4 is used, and the upper porous foam 2 and the lower porous foam 3 are foamed with the same material.

In the porous composite body 14 shown in FIG. 4, the linear heating element 5 is used, and the upper heating element protective material 18 formed of a sponge or urethane sponge different from the upper porous foam 2 shown in FIG. It is seated on the upper surface of the linear heating element 5 formed on the upper surface of the porous foam body 3.

The seat cover 6 is fixed to the inner surface of the foaming die 7 by vacuum suction (fixing and fixing), and the seating surface 8 on which the lower porous foam 3 is seated on the inner surface of the seat cover 6 is marked. The adhesive for seating and fixing the planar heating element 4 or the linear heating element 5 is applied to the upper surface of the lower porous foam 3, and the adhesive and the planar heating element 4 or linear applied to the lower porous foam 3 The lower end of the upper porous foam 2 is in close contact with the adhesive applied to the upper surface of the heating element 5 to form a porous composite that generates heat integrally. (Step S3)

The porous composite body 14 formed in step S1 to step S3 of the present invention may be fixed to the seating surface of the seat cover 6 after being manufactured separately from the outside.

The urethane foaming region 16 formed in the foaming mold 7 and the porous composition through the injection hole 12 of the urethane sponge solution formed on one side of the foaming mold cover 9 formed on the foaming mold 7. The urethane sponge solution is injected and foamed into the inner surface of the seat cover 6 through the plurality of foaming diffusion holes 13 of the sieve 14 to form the pad integral with the seat cover 6 and the porous composite body 14 for heat generation. To produce a sheet. (Step S4)

In addition, as shown in FIG. 8, the upper porous foam 2 shown in FIG. 6 can also be used as the upper heating element protective material 18 formed from a porous sponge or a urethane sponge.

That is, when the upper porous foam 2 is not used, the upper heating element protective material 18 formed of a sponge or urethane sponge together with the planar heating element or linear heating element 4 and 5 formed on the upper surface of the lower porous foam 2. The porous composite body 14 may be formed by adhering with an adhesive agent.

Therefore, as shown in Figs. 5, 6, and 8, the seat manufacturing method of the present invention manufactures a mold in accordance with the shape of the structure during the production of seats and office chairs such as passenger cars, buses, recreational vehicles, heavy equipment, and the like. And foam-molded the upper porous foam (2) and the lower porous foam (3) formed of a urethane foaming solution, and between the upper porous foam (2) and the lower porous foam (3) planar heating element (4) or linear heating element (5) ), And the seat cover 6 is seated on the inner surface of the foaming die 7 by vacuum suction (adherent fixation) or the like, and the pencil is formed on the inner surface of the seat cover 6. The porous composite body 14 is seated at a position marked with the back, and the foam mold 7 is sealed with a mold cover 9 formed on the upper end of the foam mold 7. Then, the urethane sponge solution is injected through the foam injection hole 12 formed at one side of the mold cover 9.

At this time, the urethane sponge solution is inserted into the urethane sponge solution foaming region 16 formed on the upper side of the foaming mold 7, and the foaming liquid flows through the diffusion port 13 and flows into the lower porous foam 3. The urethane sponge solution is introduced into one side 19 of the seat cover 6 in contact with the lower porous foam 3, and the urethane sponge solution is also injected into the entire exterior of the porous composite body 14, thereby allowing the urethane sponge to be injected. The seat cover 6 is adhered to the pad 20 at the same time as the pad 20 is formed integrally with the whole of the porous composite body 14 in which the solution and the planar heating element 4 or the linear heating element 5 are embedded.

Therefore, the seat cover 6 is uniformly and firmly adhered to the pad 21 on which the urethane sponge solution and the planar heating element 4 or the porous composite body 14 containing the linear heating element 5 are integrally formed. 6 and the heat-generating porous composite body 14 are completed.

As another manufacturing method of the sheet manufacturing method of this invention, as shown in FIG. 9, except for the seat cover 6, the upper porous foam body 2 and the lower porous foam body 3 on the inner surface of the foaming metal mold | die 7, and linear form The porous composite body 14 formed of the heating element 5 or the planar heating element 4 is fixed, and the urethane sponge solution is injected and foamed into the foam liquid inlet 12 of the upper cover 9 of the mold to form a porous synthetic sponge. It is also possible to penetrate and foam the entire outer body and the inner porous surface of the sieve 14 to form a pad integral with the heat-generating porous composite body 14.

Accordingly, the seat cover 6 is removed, and the heat-generating porous composite body 14 and the pad 21 are integrally formed, and the seat cover 6 and the integrated pad 21 are glued, sewing machine, fixing mechanism, or the like. The sheet can be manufactured by fixing with.

When the seat cover 6 is finished with the pad 21, the seat cover 6 and the pad 21 may be finished by using adhesive bonding, a sewing machine, a fixing device, or the like to manufacture the seat 20. have.

Therefore, as shown in FIG. 10, the seat cover 6 is fixed to the pad 20 for integrating the heat-generating porous composite 14, so that the seat cover 6 can be completed as a product used for automobiles, heavy equipment, and office chair seats.

In addition, the planar heating element or the linear heating element of the present invention is equipped with a temperature control element 10 for controlling the heat, one end is formed of the electric wiring 11, the conventional planar heating element to which electricity can be applied from the power source and Linear heating elements are used.

 Sheets manufactured by the sheet manufacturing method of the present invention as described above can be used for vehicles, heavy equipment, passenger cars, buses, trucks, etc., and can be used in various sizes and so as to be used as a seat of a thin table and a warm chair You can change the thickness.

In addition, it is a matter of course that various changes and modifications are made by those skilled in the art to which this invention belongs.

From the above description, the seat manufacturing method of the present invention manufactures a mold according to the shape of a structure when manufacturing seats and office chairs for passenger cars, buses, recreational vehicles, heavy equipment, etc., and then forms the polyurethane with the polyurethane foaming solution in the mold. After foaming and foaming the foam and the lower porous foam, and forming a planar heating element or a linear heating element between the upper porous foam and the lower porous foam, the porous composite thus formed is subjected to vacuum suction (adherent fixation) to the inner surface of the mold for foaming. The cover is seated, a porous composite material is seated at a position marked with a pencil or the like on the inner surface of the seat cover, and the foam mold is sealed with a mold cover formed at the upper end of the foam mold. Then, the urethane sponge solution is injected through the foam liquid inlet formed on the mold cover side.

At this time, the urethane sponge solution is inserted into the urethane sponge solution foaming region formed on the upper side of the foaming mold, and the foaming liquid flows through the diffusion port, flows into the lower porous foam, and contacts the lower porous foam. The urethane sponge solution is introduced into the side, and the urethane sponge solution is also injected into the entire outer portion of the porous composite, thereby forming a pad in which the urethane sponge solution and the outer whole of the porous composite material having a planar heating element or a linear heating element are integrally formed. At the same time, the seat cover is bonded.

Therefore, the seat cover is uniformly and firmly adhered to the pad in which the urethane sponge solution and the porous heating material containing the planar heating element or the linear heating element are integrally and firmly adhered, thereby completing the sheet formed by forming the sheet cover and the porous porous material for heat generation integrally. will be.

In addition, the seat cover of the present invention is removed, and the porous porous body formed of the upper porous foam and the lower porous foam, the linear heating element or the planar heating element is fixed on the inner surface of the foaming mold, and the urethane sponge solution is used as the foam liquid inlet of the upper cover of the mold. The urethane sponge solution is injected and foamed to penetrate and foam the entire outer and inner porous surfaces of the porous composite to form a pad having a heat-generating porous composite.

Claims (3)

Forming a plurality of foaming diffusion holes in the upper porous foam and the lower porous foam formed by foaming with a urethane sponge solution; Forming a planar heating element or a linear heating element that generates heat between the upper porous foam and the lower porous foam; In the sheet manufacturing method comprising the step of seating the upper porous foam and the lower porous foam to the urethane foaming mold integrally to form a sheet, The seat cover is vacuum-adsorbed and fixed to the inner surface of the mold for foaming, and a seating surface on which the lower porous foam is seated is marked on the inner surface of the seat cover, and the planar heating element or linear heating element is seated on the upper surface of the lower porous foam. And a fixed adhesive is applied, and a porous composite body which generates heat integrally by intimately contacting the lower end of the upper porous foam with an adhesive applied to the upper surface of the lower porous foam and an adhesive applied to the upper surface of the planar heating element or the linear heating element. Forming step, The urethane foaming region formed inside the foaming mold through the urethane sponge solution formed on one side of the foaming mold cover formed on the foaming mold cover and the plurality of foaming diffusion holes of the porous composite. Injecting and foaming the urethane sponge solution to the inner surface of the seat cover to form a seat cover and a porous composite pad for heating the sheet manufacturing method comprising the step of producing a sheet. The method of claim 1, In the forming of the porous composite, when the upper porous foam is not used, the sheet manufacturing method characterized in that it further comprises using an upper heating element protective material formed of a sponge or urethane sponge. The method of claim 1, In the manufacturing of the sheet, in the case of excluding the sheet cover, the heating porous composite body and the pad are integrally formed to fix the sheet cover and the pad with an adhesive or a sewing machine to produce a sheet. Sheet production method characterized in that configured.

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