JPH03228707A - Manufacture of net having frame for container serving as compact and net having shape holding piece - Google Patents

Abstract

PURPOSE:To prevent the generation of creases, etc., on a net when the net is inserted into a shaping metal mold by attaching a shape holding thin piece which possesses the poor extension/contraction performance in exfoliation-enabled manner on one-side surface of the net which softly extends and contracts. CONSTITUTION:A net 1 which softly extends and contracts is formed through the hosiery knitting by using synthetic resin threads. A shape holding thin piece 3 which possesses the poor extension/contraction performance and is made of polyethylene therephthalate and has a thickness of 25-38.5mu attached in exfoliation-enabled manner by an polyester group adhesive 2, and a net 6 having a shape holding piece is formed. The net 6 is inserted into a metal mold 20, and a frame body 9 is molded through the injection of the molten synthetic resin into a cavity, and the molded frame body 9 is attached and fixed to the net 1 of the net 6 having the shape holding piece, and a net 12 having a frame for a compact container can be obtained. Because of the soft extension and contraction, when the net 12 is installed on the compact container and pressed, the net is largely deflected, and the cosmetics accommodated on the underside of the net is allowed to easily adhere on a sponge, etc.

Description

Detailed Description of the Invention [Industrial Field of Application] The present invention relates to a method for producing a framed net placed on top of cosmetics contained in a compact cosmetic container, and a protective material used in the method. Regarding nets with shaped pieces.

[Conventional technology]

Conventionally, a container with a frame placed on top of cosmetics stored in a compact cosmetic container was developed in 1983-163.
It is described in Publication No. 715.

As shown in Figure 5, what is described in the above publication 7 is as follows:
A viscous cosmetic 16 is stored in the inner tray 15 of a compact cosmetic container, and a frame 9 is placed on the periphery of the cosmetic 16.
A flexible net (3) is attached to the base. When the net I is pressed with a sponge 17 or the like, the viscous cosmetic material (6) in the inner tray 15 oozes out from the mesh of the net 1 to the surface, adheres to the sponge 17, and is used for makeup. It is something.

Furthermore, the molding of the framed net is carried out by inserting the net l in advance into a synthetic resin injection mold, and then injecting synthetic resin into the mold to form the frame body 9. A method is employed in which the molded frame body 9 is welded and fixed to the peripheral edge of the net 1 at the same time as the net 1 is molded.

[Invention or problem to be solved]

When the net 1 as shown in FIG. 5 is not in use, it is stretched over the inner tray 15 so as not to cause wrinkles, and when it is in use and is pressed with a sponge 17, it flexibly expands and contracts according to the pressure. It is preferable to make the cosmetic 16 in the inner tray 15 adhere to the sponge 17. Then, as mentioned above, when the net 1 is made into the net 1 that can be flexibly expanded and contracted, when inserting this net 1 into a mold for molding, it is necessary to insert it so that wrinkles etc. do not occur in the net 1. becomes difficult.

The present invention has been made in view of the above-mentioned matters, and it is an object of the present invention to easily insert a flexibly expandable net 1 of a compact cosmetic container into a mold to form a framed net. The technical challenge is to obtain a net that can be inserted.

[Means to solve the problem]

Claim! In the described invention, a net 6 with a shape-retaining piece formed by peelably adhering a shape-retaining thin piece 3 with poor elasticity to one side of a flexibly expandable net I is attached to a mold 20 for injection molding.
The mold 20 is closed, and then molten synthetic resin is injected into the mold 20 to form the frame 9, and the molded frame is inserted into the net 1. body 9
This is a method for manufacturing a framed net for compact containers that is fixed by welding.

The invention according to claim 2 is the method for manufacturing a framed net for a compact container according to claim 1, in which the net 6 with shape-retaining pieces is formed into an elongated shape and the frame 9 is welded to the net l. The manufacturing method involved cutting the periphery to form a framed net.

According to the third aspect of the present invention, a shape-retaining thin piece 3 having poor elasticity is releasably adhered to one side of a flexibly expandable net 1 to form a net with a shape-retaining piece for a compact container.

[Effect]

Since the net of the present invention is a net that expands and contracts flexibly,
When attached to a compact container and pressed, the net flexes greatly and the cosmetics stored under the net tend to adhere to sponges and the like.

Then, a shape-retaining thin piece 3 with poor elasticity is placed on one side of the net L.
Since the net 6 is formed by bonding the net 6 with shape-retaining pieces, the net 1 is formed to be difficult to bend.

Therefore, when the net 6 with shape-retaining pieces is inserted into the mold 20 for injection molding, it can be easily installed at a predetermined position within the mold 20 without wrinkles or the like.

〔Example〕

1 to 4 are diagrams for explaining an embodiment of the invention according to claims 1 to 3. FIG. The net 1 according to an embodiment of the invention according to claims 1 to 3 is formed by stockinette knitting using synthetic resin yarn, and is formed into a flexible stretchable net 1.

A shape-retaining thin piece 3 with poor elasticity made of polyethylene terephthalate with a thickness of 25 μm to 38.5 μm is releasably adhered to one side of the net L using a polyester adhesive 2 to create a net with a shape-retaining piece. 6 is formed.

An embodiment of the invention according to claim 1 is to cut the net 6 with shape-retaining pieces into an elliptical shape, insert the cut net 6 with shape-retaining pieces into the female die of a mold 20, and suck it into the mold. Install it so that it does not move within 20 minutes. Next, the male mold is brought into contact with the female mold and the mold 20 is closed. Next, a molten synthetic resin is injected into the oval and annular cavity in the mold 20 to form the frame 9, and the molded frame is attached to the net 1 of the net 6 with shape-retaining pieces. An embodiment of the invention according to claim 2, characterized in that the frame net 12 for a compact container is formed by welding and fixing the net 6 with a shape-retaining piece, and the net 6 with shape-retaining pieces is formed into a long shape and placed in the mold 20. Insert it and
The mold 20 is closed with the front and rear parts of the elongated net 6 with shape-retaining pieces exposed outside the mold 20, and the net 6 with shape-retaining pieces is formed in the same manner as in the embodiment of the invention described in claim 1. This is a method of manufacturing a framed net 12 by welding a frame 9 and then cutting the periphery of the welded net 1.

The framed net 12 is attached to the edge of the cosmetic storage tray of the compact container, and the shape-retaining thin piece 3 is peeled off from the net 1 when used. The frame 9 can also be formed to slide down within the cosmetic storage tray as the number of cosmetics stored in the cosmetic storage tray decreases by one.
The shape-retaining thin piece 3 can also be formed from a thin piece of other material.

〔Effect of the invention〕

Since the net of the present invention is a net that expands and contracts flexibly,
When attached to a compact container and pressed, the net flexes greatly, making it easier for the cosmetics stored under the net to adhere to a sponge or the like.

A shape-retaining thin piece 3 with poor elasticity is attached to one side of the net 1.
are glued together to form the net 6 with shape-retaining pieces, so the net I is formed so that it is difficult to bend, even though the net I is a net that can expand and contract flexibly.

Therefore, when inserting the net 6 with shape-retaining pieces into the mold 20 for injection molding, the net 6 with shape-retaining pieces
can be easily installed in a predetermined position in a mold 20 without wrinkles, etc., and is easy to manufacture and does not produce defective products, so that a high-quality and inexpensive framed net for compact containers can be manufactured.

[Brief explanation of drawings]

Figures 1 to 4 are explanatory diagrams of one embodiment of the present invention, in which Figure 1 is a plan view of a net with a frame, Figure 2 is a sectional view thereof, and Figure 3 is a diagram of a net with shape-retaining pieces. FIG. 4 is a sectional view of a main part showing the manufacturing process of the framed net, and FIG. 5 is a diagram for explaining a conventional example. I... Net, 3... Thin piece for shape retention, 6...
・Net with shape-retaining pieces, 9...Frame body, I2...Net with frame, 20...Mold.

Claims (3)

[Claims] (1) A net 6 with a shape-retaining piece formed by peelably adhering a shape-retaining thin piece 3 with poor elasticity to one side of a flexibly expandable net 1 is inserted into a mold 20 for injection molding. and close the mold 20, and then inject the fused synthetic resin into the mold 20 to form the frame 9,
A method for producing a framed net for a compact container, in which the molded frame 9 is welded and fixed to the net 1. (2) A framed net for a compact container according to claim 1, wherein the net 6 with shape-retaining pieces is formed into a long shape, and the periphery of the net 1 to which the frame body 9 is welded is cut to form the framed net. Net manufacturing method (3) A net with a shape-retaining piece for a compact container, which is formed by peelably adhering a shape-retaining thin piece 3 with poor elasticity to one side of a flexibly expandable net 1.