KR20140037304A - A cell phone case - Google Patents

Abstract

The present invention relates to a method for processing a mobile phone case and a mobile phone case, and more particularly, by adhering a cushioning member made of foam foam to a fabric, and then heating and pressing the product to a high quality and high productivity with good buffering power. It is to provide a functional cell phone case.
Features of the present invention described above, the step of adhering the fabric 10 to the upper and lower portions of the buffer member (11) consisting of a foam (foam); The fabric 10 to which the shock absorbing member 11 is bonded is transferred through the conveyor belt 20, and heated while passing between the rollers 21 equipped with the heater 21a so that the shock absorbing member 11 has flexibility. Making; Placing the buffer member 11 and the fabric 10 having the flexibility to be heated between the upper and lower molds 31 and 32 of the press 30, pressing and cutting while cooling; The folding line (13a) formed in the case member is cut in a "c" shape to open and close the cover (10B) from the support plate (10A), and the fixing plate (15) is fixed to the support plate (10A), the mobile phone (1) It can be achieved by a method of processing a mobile phone case, characterized in that the step consisting of allowing to combine).

Description

Processing method of mobile phone case and mobile phone case {a cell phone case}

The present invention relates to a method for processing a mobile phone case and a mobile phone case, and more particularly, by adhering a cushioning member made of foam foam to a fabric, and then heating and pressing the product to a high quality and high productivity with good buffering power. It is to provide a functional cell phone case.

Generally, a mobile phone case is used as a protective case to prevent scratches or damage caused by an external impact of the mobile phone, and is configured to cover a mobile phone with a case having a size corresponding to the shape of the mobile phone.

Among them, when the liquid crystal of the mobile phone is exposed like a smart phone, a wallet-type cell phone protective case for protecting the liquid crystal has been proposed, and a cover folded in the body protects the liquid crystal and can be easily folded and carried. It is configured to.

However, the conventional mobile phone case of the purse form is to cut the fabric such as leather or suede in a rectangular shape, cut the holes and sew the edge portion to produce a purse-shaped case, so there are many sewing parts and the work is difficult. Due to the considerable time required, mass production was difficult and labor costs were increased.

In this way, when sewing the edges by hand manually using a sewing machine, not only the sewing work is difficult but also the need for skilled workers with considerable functions increases the overall labor cost, which is a barrier to mass production. It has emerged.

In particular, since the case is made by attaching a protective sheet to the leather fabric, not only could not safely protect the mobile phone from external shocks, but also could not be used as a cradle for standing the mobile phone upright.

The present invention has been made in view of the above problems, the object of which is the production of the case is quick and easy to mass production is possible to increase the convenience of work, and excellent buffering capacity of the mobile phone case that can safely protect the mobile phone It's in the box.

Features of the present invention for achieving the above object, the step of adhering the fabric 10 to the upper and lower portions of the buffer member (11) consisting of a foam (foam); The fabric 10 to which the shock absorbing member 11 is bonded is transferred through the conveyor belt 20, and heated while passing between the rollers 21 equipped with the heater 21a so that the shock absorbing member 11 has flexibility. Making; Placing the buffer member 11 and the fabric 10 having the flexibility to be heated between the upper and lower molds 31 and 32 of the press 30, pressing and cutting while cooling; The folding line (13a) formed in the case member is cut in a "??" type to open and close the cover (10B) in the support plate (10A), the fixing plate (15) is fixed to the support plate (10A) mobile phone ( It can be achieved by a method of processing a mobile phone case characterized in that the step 1) to be combined.

The present invention as described above, the pressurized and cut the shock absorbing member 11 and the fabric 10 having a flexibility to be heated while being transported through the roller 21 to the press 30 to produce the case quickly and easily As it is completed, mass production is possible, but it is possible to increase the convenience of work, and productivity is improved, and considerable labor cost can be reduced, and at the same time, the cushioning member 11 made of EVA foam has excellent buffering force, so that external impact It is possible to provide a mobile phone case of high quality and high functionality as it can protect the mobile phone from safety.

1 is a perspective view illustrating a mobile phone case according to the present invention;
2 is a plan view illustrating a mobile phone case according to the present invention;
3A to 3E are cross-sectional views sequentially illustrating a processing process of a mobile phone case according to the present invention;
4 is a cross-sectional view illustrating a state in which a mobile phone case according to the present invention is used as a holder.

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

Example

As shown in Figure 3a, the step of bonding the fabric 10 to the upper and lower portions of the buffer member 11 using an adhesive. The fabric may be leather or suede and artificial leather, but other synthetic resin sheets or fabrics may be used.

The buffer member 11 is composed of a foam (foam), and in the present invention, the foamed product forming the buffer member 11 was used as ethylene vinyl acetate (EVA; Ethylene Vinyl Acetate), ethylene vinyl acetate EVA is a soft material, like a compressed sponge, but it is a durable, porous material that is very light.

In some cases, the buffer member 11 may be made of polyurethane foam, polypropylene foam, and foamed polyethylene.

Subsequently, as shown in FIG. 3B, the fabric 10 to which the shock absorbing member 11 is attached is transferred through the conveyor belt 20, and passes between the rollers 21 provided with the heater 21a to be 120 to 120. The buffer member 11 was heated to a heater 21a having a temperature of 200 ° C. to give flexibility.

The heater 21a mounted to the rollers 21 is configured to be heated within a temperature range set by the thermostat system.

Subsequently, as shown in FIG. 3C, the buffer member 11 and the fabric 10 having the flexibility to be heated are sandwiched between the upper and lower molds 31 and 32 of the press 30, and pressed and cut while cooling. A step was performed.

The buffer member 11 is made of a material that maintains flexibility as a gel state when heated with a thermosetting material and does not deform when cooled and cured.

The upper and lower molds 31 and 32 of the press 30 are connected to a cooling water pipe 33 through which cooling water is circulated, and are configured to be molded while cooling the buffer member 11 that is flexibly heated. The upper and lower molds 31 and 32 press the buffer member 11 and the fabric 10 to form a thermal joint 12 and a fold line 13a, while cutting the circumference and punching the hole 14. It has a core mold structure.

Of course, since the core-shaped mold is a known art, detailed drawings and descriptions are omitted, and the cooling water circulation pipe 33 is connected to a cooling water tank and a pump (not shown) to have a structure in which the cooling water is circulated.

3D and 3E, the folding line 13a formed in the case member having been cut is folded in a “c” shape so that the cover 10B can be opened and closed at the support plate 10A, and the support plate ( 10A) was fixed to the cover fastener 15 to complete the processing of the mobile phone case.

As shown, the fastener 15 is configured to cover the mobile phone 1 by the case in the form of a cover, but may be configured in the form of an elastic clip. It is not limited.

In the mobile phone case completed by the above-described processing step, as shown in Figures 1 to 4, between the upper and lower fabric 10, the buffer member 11 made of foam foam is bonded to the support plate 10A and the cover 10B, a heat-bonded joint 12 is formed around the base plate 10A and the cover 10B, and thermally crimped to the connecting piece 10C formed between the base plate 10A and the cover 10B. The folded lines 13a are formed and bent into a "c" shape, and the support plate 10A is coupled to the support plate 15 so that the mobile phone 1 is detachably coupled.

Meanwhile, as shown in FIG. 4, the support plate 10A is formed with a folding line 13b thermally compressed, and the fastener 15 is attached to a portion of the support plate 10A divided by the folding line 13b. It is fixed by (15a), it is configured to fold the fold line (13b) to put the mobile phone (1) upright on the cover (10B) with the fixture (15).

Therefore, when the folding line 13b thermo-compressed to the support plate 10A is formed, the mobile phone 1 can be placed on the cover 10B, and the mobile phone case according to the present invention can be used as a cradle.

On the other hand, the cover 10B is formed with a home button display portion 16 partitioned by a thermal adhesive line is configured to press the display portion 16 to open a call without opening the cover 10B in the case to increase the convenience of use It is configured to give.

The present invention made up of the above-described configuration, because the buffer member 11 and the fabric 10 having a flexibility to be heated to press 30 to produce a case quickly to enable mass production while increasing the convenience of work It is possible to improve productivity and save considerable labor costs, and at the same time, the cushioning member 11 made of EVA foam has excellent buffering power, which can safely protect the mobile phone from external shocks. There is an advantage such as to provide a mobile phone case.

In particular, the cushioning member 11 made of EVA foam has an advantage that the case is injured in water even when the mobile phone is dropped into the water with a specific gravity to protect the mobile phone safely. In addition, the heating of the material and the processing of the press is made in a continuous operation can be produced 4,000 ~ 6,000 per day is possible to mass production is possible to reduce the significant labor costs to provide a mobile phone case with excellent external competitiveness.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the scope of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be resorted to without departing from the scope of the appended claims.

1: cell phone 10: fabric
10A: Base plate 10B: Cover
10C: connecting piece 11: buffer member
12: junction 13a, 13b: fold line
14 hole 15 fixture
16 display part 15a adhesive layer
20: conveyor belt 21: roller
21a: heater 30: press
31: upper mold 32: lower mold
33: cooling water circulation pipe

Claims (4)

Adhering the fabric 10 to the upper and lower portions of the buffer member 11 formed of a foam;
The fabric 10 to which the shock absorbing member 11 is bonded is transferred through the conveyor belt 20, and heated while passing between the rollers 21 equipped with the heater 21a so that the shock absorbing member 11 has flexibility. Making;
Placing the buffer member 11 and the fabric 10 having the flexibility to be heated between the upper and lower molds 31 and 32 of the press 30, pressing and cutting while cooling;
The folding line (13a) formed in the case member is cut in a "c" type to open and close the cover (10B) from the support plate (10A), and the fixing plate (15) is fixed to the support plate (10A) mobile phone (1) Method of processing a mobile phone case, characterized in that consisting of) to be coupled to).
Completed by the processing method of claim 1,
Between the upper and lower fabrics 10, a cushioning member 11 made of foam foam is bonded to each other to form a support plate 10A and a cover 10B, and heat-adhesive around the support plate 10A and the cover 10B. Joined portion 12 is formed, and the connecting piece 10C formed between the support plate 10A and the cover 10B is formed with a folding line 13a, which is thermocompressed, bent into a "c" shape, and the support plate 10A. There is a fixture 15 is coupled to the mobile phone case, characterized in that the mobile phone (1) to be detachably coupled.
3. The method of claim 2,
The support plate 10A has a folding line 13b which is thermally compressed, and the fastener 15 is fixed to the adhesive layer 15a at a portion of the support plate 10A divided by the folding line 13b. 13b) by folding the mobile phone case, characterized in that the mobile phone (1) with a fixture (15) configured to be placed upright on the cover (10B).
3. The method of claim 2,
The shock absorbing member 11 is ethylene vinyl acetate (EVA) or a mobile phone case, characterized in that any one of polyurethane foam (polyurethane foam), polypropylene foam (polypropylene foam), foamed polyethylene (foamed polyethylene).

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