JP5608923B2 - Manufacturing method of pseudo sample - Google Patents

Description

  The present invention relates to a method for manufacturing a pseudo sample using a resin having thermoplasticity or thermosetting, and in particular, to obtain a pseudo sample that prevents warping over time after manufacturing and has little shape change over a long period of time. It relates to what can be done.

  Conventionally, in the pseudo sample B which simulates a substantially flat food such as rice crackers and wafers as shown in FIG. 11, for example, a thermoplastic or thermosetting resin is heated using a mold. The molded single product itself was used as a pseudo sample as it was and displayed on a show window or attached as a strap for use as an accessory.

  However, in the pseudo sample B manufactured by the method as described above, since the shape is substantially flat, when the resin is filled in the mold and thermoformed, the pseudo sample B in the thickness direction For example, if the molding conditions are slightly different and non-uniform density distribution occurs, or residual stress is generated during melting or / and solidification of the resin, for example, when it is displayed in a show window after molding, FIG. As shown in (b), there is a problem that the film gradually warps over time and cannot serve as a sample.

  The present invention has been made to solve the above-described problems.

The invention according to claim 1 is a substantially flat intermediate molded body having the same or substantially the same shape, which is formed under the same manufacturing conditions, using the same resin having thermoplasticity or thermosetting property, and at least one of them using two what surface is planar, butt plane each other corresponding one of said two sheets of preform so as to be plane-symmetrical, the plane to each other, which adhere by the adhesive member, the same manufacturing The condition is a method of manufacturing a pseudo sample in which the molding dies are the same mold, or the substantially same mold is used, heated under the same conditions, cooled, and released .

The invention according to claim 2 is the method for producing a pseudo specimen of claim 1 Symbol placement, the adhesive member is one which is adhesive resin.

The invention according to claim 3 is a method of manufacturing a pseudo specimen of claim 1 Symbol placement, pseudo samples are those that are pseudo food.

  According to the method for manufacturing a pseudo sample according to claim 1, a substantially flat intermediate molded body having the same or substantially the same shape, which is formed under the same manufacturing conditions using the same resin having thermoplasticity or thermosetting property. In order to use two sheets having at least one plane as a plane, but to match the corresponding planes of the two intermediate molded bodies so as to be plane-symmetric, and to bond the planes with an adhesive member Thus, residual stresses inherent in the substantially flat intermediate molded body can be canceled out, and it is possible to prevent warping over time as a whole and to obtain a pseudo sample with little shape change over a long period of time.

Further, according to the invention described in claim 1, the same manufacturing conditions, mold, or the same type, or, using substantially the same type, and heated under the same conditions, it cooled, separated Because it is molded, it is possible to cancel out the residual stress inherent in the substantially flat intermediate molded body, prevent warping over time as a whole, and obtain a pseudo sample with little shape change over the long term Can do.

According to the invention described in claim 2, in addition to the effect of the method of manufacturing the pseudo specimen of claim 1 Symbol mounting, adhesive member, since an adhesive resin, sandwiching an adhesive resin, to get a sense laminate For example, an attractive pseudo sample such as a biscuit sandwiched with cream can be obtained.

According to the invention described in claim 3, in addition to the effects of the method of manufacturing the pseudo specimen of claim 1 Symbol placement, pseudo samples are the pseudo food, for example, crackers or wafers, and the like, tabular or lamination-like Can simulate food.

It is a schematic perspective view of the pseudo sample produced by the manufacturing method of the present invention, which is shown partially broken and broken. FIG. 2 is a schematic cross-sectional view showing the manufacturing process of FIG. 1 during resin filling. It is the schematic sectional drawing which showed the manufacturing process of FIG. 1, and is the thing after resin filling. It is the schematic which showed the manufacturing process of FIG. 1, and is a thing at the time of a heating. FIG. 2 is a schematic cross-sectional view showing the manufacturing process of FIG. 1 when releasing. FIG. 2 is a schematic perspective view showing the manufacturing process of FIG. 1 when an adhesive member is applied. FIG. 2 is a schematic cross-sectional view illustrating the manufacturing process of FIG. 1 when an adhesive member is applied. FIG. 2 is a schematic cross-sectional view showing the manufacturing process of FIG. 1 after bonding. FIG. 8 is a schematic cross-sectional view showing a manufacturing process of the modified example of FIG. 1 when applying an adhesive member. It is the schematic sectional drawing which showed the manufacturing process of the modification of FIG. 1, and is the thing after adhesion | attachment. It is the schematic perspective view which showed the pseudo sample which concerns on a prior art example. FIGS. 11A and 11B are schematic cross-sectional views taken along line XX in FIG. 11. FIG. 11A shows a state immediately after manufacturing, and FIG.

  An embodiment of the present invention will be described with reference to FIGS. In FIG. 1, A is a pseudo sample manufactured by the method for manufacturing a pseudo sample according to the present invention, and the pseudo sample A is roughly composed of two substantially flat intermediate molded bodies 1, that is, a first sample. The intermediate molded body 11 and the second intermediate molded body 12, and the adhesive member 2.

  The first and second intermediate molded bodies 11 and 12 are made of the same resin having thermoplasticity or thermosetting properties, and are substantially flat and have the same or substantially the same shape formed under the same manufacturing conditions.

  That is, the resin used for the first and second intermediate molded bodies 11 and 12 is the same. For example, in the case of a thermoplastic resin, polyvinyl chloride (PVC), thermoplastic polyurethane (TPU), Polyethylene (PE), thermoplastic polyester, polystyrene (PS), polypropylene (PP), polyamide (PA), polyacetal (POM), polycarbonate (PC) polysulfone (PSF), etc. Examples thereof include silicone rubber, phenol resin, melamine resin, epoxy resin (EP), urea resin, and unsaturated polyester resin (UP).

  In addition, as shown in FIG. 1, each of the first and second intermediate molded bodies 11 and 12 has a shape in which at least one surface is a flat surface (in the case of the first intermediate molded body 11, a flat surface 11a, a first The second intermediate molded body 12 has a substantially flat plate shape that is the flat surface 12a), and is formed in the same or substantially the same shape. Here, “substantially the same shape” means that the shape (thickness, outer shape, etc.) of other portions excluding a slight uneven shape such as a pattern is the same.

  In addition, the first and second intermediate molded bodies 11 and 12 are formed under the same manufacturing conditions. Specifically, the molding dies are the same mold or a small number of designs or the like. Using a substantially the same mold having the same shape of the other parts except for the irregular shape, a mold filled with resin is heated under the same conditions, cooled, and released from the mold.

  The adhesive member 2 is interposed between the first intermediate molded body 11 and the second intermediate molded body 12 in the production of the pseudo sample A, and bonds them, and is known such as Cemedine (registered trademark). Adhesives, polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polyamide (PA), polyacetal (POM), polycarbonate (PC) polysulfone (PSF), phenol resin, melamine resin, epoxy resin ( EP), an adhesive resin such as a urea resin, an unsaturated polyester resin (UP) is used.

  Next, a method for manufacturing the pseudo sample A having the above-described configuration will be described with reference to FIGS. 2 and 3 show examples in which a thermoplastic resin powder is used as the resin R. As shown in FIG. 2, an appropriate amount of the resin R that is solid at room temperature is placed in the mold K. Fill evenly.

  Then, as shown in FIG. 4, the molding die K filled with the resin R is placed in the heating furnace F, heated to a temperature at which the resin R melts and flows sufficiently, and then the molding die is fed from the heating furnace F. Remove K and cool to room temperature. The temporal temperature profile during heating and cooling is managed so that it can be accurately reproduced even if the manufacturing process of the pseudo sample A is repeated.

  Then, as shown in FIG. 5, the intermediate molded body 1 formed from the cooled mold K is released and taken as a first intermediate molded body 11.

  Next, even if it exists in the 2nd intermediate molded object 12, although it manufactures by the same operation as the 1st intermediate molded object 11, if the temporal temperature profile in each place in the heating furnace F is the same, As shown in FIG. 4, a plurality of molding dies K, K,... May be used to manufacture the intermediate molded bodies 1, 1,.

  Then, for example, as shown in FIGS. 6 to 8, an adhesive member 2 such as an adhesive is applied on the flat surface 11 a of the first intermediate molded body 11, and the first and second two sheets are applied from above. The corresponding flat surfaces 11a and 12a of the intermediate molded bodies 11 and 12 are abutted so as to be plane-symmetric, and the flat surfaces 11a and 12a are bonded by the bonding member 2 to complete the pseudo sample A.

  By the way, as shown in FIG. 9 and FIG. 10, the adhesive member 2 may be an adhesive resin 21 so as to have a predetermined thickness after molding. As shown in FIG. The adhesive resin 21 is interposed between the first intermediate molded body 11, the first intermediate molded body 11, the adhesive resin 21, and the second intermediate molded body 12 as shown in FIG. You may do it.

  Further, in the present embodiment, when the intermediate molded body 1 is molded, the upper surface of the intermediate molded body 1 at the time of molding is exemplified as a flat surface, but the upper surface of the mold K is a flat surface (not shown). The lower surface of the intermediate molded body 1 may be formed as a flat surface, and the flat surfaces may be bonded together by the bonding member 2.

  Further, in the present embodiment, when the intermediate molded body 1 is molded, the one using the molding die K whose upper side is opened is exemplified. However, an upper die (not shown) can be used together, or injection molding can be performed. Such a closed mold may be used.

  Further, in this example, an example in which a thermoplastic material is used as the resin R is shown, but a thermosetting material may be used, and in such a case, the powder illustrated in FIGS. 2 and 3 is used. Instead of this, a liquid material (for example, a polymerizable monomer mixed with a curing agent (crosslinking agent)) may be put into the mold K.

A pseudo sample K molding die R resin 1 intermediate molded body 11 first intermediate molded body 12 second intermediate molded body 2 adhesive member

Claims (3)

Two substantially flat intermediate molded bodies having the same or substantially the same shape, which are formed using the same resin having thermoplasticity or thermosetting property, and at least one surface of which is a flat surface. Using sheets,
The corresponding planes of the two intermediate molded bodies are butted so as to be plane-symmetric, and the planes are bonded by an adhesive member ,
The same manufacturing condition is a pseudo sample characterized in that the molding die is the same die, or the substantially same die is used, heated under the same conditions, cooled and released . Production method. Adhesive member, a manufacturing method of a pseudo specimen of claim 1 Symbol mounting, characterized in that an adhesive resin. Pseudo swatches method pseudo specimen of claim 1 Symbol mounting characterized in that it is a pseudo food.

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