JP2007050266A - Waterproofing double fastener - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproofing double fastener having small tightening force to prevent its opening from being easily opened when tensile force acts on it from the outside. <P>SOLUTION: A zipper type fastener part 5 and a waterproofing fastener part 6 constitute the double structure waterproofing fastener. Large tightening force is given to it by the zipper type fastener part 5 to resist tensile force from the outside. While, the waterproofing fastener part is attached to the zipper type fastener part to overlap the waterproofing fastener part on the zipper type fastener part. The zipper type fastener part and the waterproofing fastener part are tightened by one integrated slide piece in common to achieve the waterproofing fastener being resistant to tensile force from the outside. <P>COPYRIGHT: (C)2007,JPO&amp;INPIT

Description

The present invention relates generally to fasteners used in tents, bags, boots, bags, clothes, gloves, and the like, and more particularly to structural improvements that provide excellent waterproofing and high tightening strength in such fasteners. .

As is well known to those skilled in the art, to close the opening of a zippered object, in particular a tent, bag, boots, bag, clothes, gloves, etc., or to secure separate parts of these together Therefore, for example, various fasteners such as a zipper-type fastener and a waterproof fastener are used. A known zipper-type fastener has two rows of tooth-like portions made of metal or plastic, and pulls the slide piece to run on these portions, so that these portions are brought together and integrated. On the other hand, the waterproof fastener is formed of two flexible tapes, and these tapes are made of a synthetic resin such as PVC (vinyl chloride) or PU (polyurethane), and are engaged with each other, particularly in an opening of a bag or the like. The airtight or watertight closure. One of the tapes used in known waterproof fasteners has a bulging edge, whereas the other tape has a grooved edge, which causes the first tape to bulge. The edge is stored tightly, thereby closing the opening of the object in an airtight or watertight manner.

This known zipper type fastener has the following effects. That is, this fastener has two rows of tooth-like portions, and thereby, separate portions of the object are firmly and integrally fixed. That is, the zipper type fastener has a large tightening force. However, the zipper type fastener has the following problems. That is, a plurality of small gaps remain in the tooth portions that are tightened together. Therefore, a zipper type fastener cannot be used for the target object which requires waterproofness. On the other hand, the waterproof fastener exhibits excellent waterproofing because the bulging edge and the grooved edge of the two tapes are airtightly or watertightly engaged with each other. However, the waterproof fastener has a small tightening force, and therefore, there is a problem that the mouth easily opens when a tensile force is applied from the outside.

Accordingly, an object of the present invention is to overcome the above-mentioned problems by integrating the above-described two types of fasteners, that is, a zipper-type fastener and a waterproof fastener, into a single body, and to fix the above-mentioned two types of fasteners. Is to provide a waterproof double zipper with the advantages of excellent waterproof and high tightening force.

In order to achieve the above object, the waterproof double fastener of the present invention is formed of two types of fastener portions, that is, a zipper-type fastener portion and a waterproof fastener portion. The zipper-type fastener portion is provided with a tape having two rows of tooth-like portions. The zipper-type fastener portion tapes are each attached to a separate portion of the object to which the fastener is to be attached. On the other hand, the waterproof fastener portion includes a tape having a bulging edge and a grooved edge, and is attached to the tape of the zipper type fastener, whereby the waterproof fastener portion overlaps the zipper type fastener portion.

In this double fastener, the waterproof fastener portion provides waterproofing to the fastener, and thereby it is possible to almost completely prevent moisture from passing through the fastener and entering the portion where the fastener is attached. The zipper-type fastener portion inside the waterproof fastener portion not only improves the waterproofness of the fastener, but also gives the fastener a large tightening force, thereby resisting the fastener from an external tensile force.

In this invention, a zipper type fastener part and a waterproof fastener part have each slide piece, and both parts can be separately fastened by these slide pieces. Instead, the zipper-type fastener portion and the waterproof fastener portion may be tightened in common by one integrated slide piece.

This integrated slide piece has two types of fastener grooves having shapes corresponding to the tooth-like portion of the fastener portion, the bulging edge, and the grooved edge.

The tape of the sipper type fastener portion is formed from a woven fabric. This fabric is manufactured using a material suitable for welding to both the waterproof fastener portion and the object to which the fastener is attached by a high frequency welding method. In one embodiment, the zipper-type fastener portion tape is manufactured by weaving using known synthetic fiber yarns and thermoplastic synthetic resin yarns as warp and weft yarns.

As described above, the present invention provides a waterproof double fastener formed by combining a zipper-type fastener and a waterproof fastener portion into a single body. In this double fastener, a tape having two rows of zipper-type fastener portions with a tooth-like portion is attached to the edge of a separate portion of the object to which the fastener is attached.

Such objects are in particular tents, bags, boots, bags, gloves and clothes. On the other hand, the waterproof fastener portion is attached to the zipper-type fastener portion, so that the waterproof fastener portion overlaps the zipper-type fastener portion.

These two fastener portions can be manipulated by one integral slide piece having two fastener grooves for each fastener portion. Alternatively, the two fastener portions may be operated by the respective slide pieces provided with the respective fastener grooves of these fastener portions. In this double fastener, the zipper-type fastener portion gives a large fastening force to the fastener, and the waterproof fastener portion gives waterproofness to the fastener. The double fastener of the present invention can be used extremely efficiently for various products such as tents, bags, boots, bags, clothes, gloves and the like.

When this double fastener is used, for example, in an opening of a tent, the waterproof fastener portion almost completely prevents moisture, dust, and cool air from entering the interior of the tent through the double fastener. be able to. On the other hand, the zipper-type fastener portion gives a large tightening force to the fastener, thereby almost completely preventing the fastener from suddenly opening even when an external tensile force is applied to the fastener. In this way, the quality of the tent provided with this double fastener is improved.

Of course, the double fastener of the present invention is used for other products such as bags,
It can also be used for boots, bags, clothes, gloves, and the like. In this case, the same effect as that of the tent can be achieved without affecting the function of the present invention.

While the preferred embodiment of the invention has been disclosed for purposes of illustration, various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope and spirit of the invention as set forth in the appended claims. Please understand that.

FIG. 1 is a perspective view showing the structure of a waterproof double fastener according to a first embodiment of the present invention. As shown in FIG. 1, the double fastener 10 of the present invention has two fastener portions. That is, the zipper type fastener portion 5 and the waterproof fastener portion 6. A tape having two rows of tooth-like portions of the zipper-type fastener portion 5
It is attached to the edge of a separate part of the object to which the fastener is attached. Such objects are in particular tents, bags, bags, gloves and clothing. Also,
A waterproof fastener portion 6 is attached to the zipper-type fastener portion 5. In that case, the waterproof fastener portion 6 is attached so as to overlap the zipper-type fastener portion 5, and a space is formed between the portions 5 and 6. In this double fastener 10, the zipper-type fastener portion 5 gives the fastener 10 a large tightening strength,
On the other hand, the waterproof fastener portion 6 imparts waterproofing to the fastener 10. In the embodiment of the present invention, the double fastener 10 is used for, for example, a tent.

Each of the two fastener portions 5 and 6 has a slide piece and can be operated separately. Alternatively, one integral slide piece may be provided in common for the two portions 5 and 6 and operated simultaneously.

According to the first embodiment shown in FIG. 1, the two fastener portions 5 and 6 are provided with respective slide pieces 11 and 12, whereby the two portions 5 and 6 are operated separately. The In this embodiment, the first of the zipper-type fastener portion 5
The slide piece 11 has the same shape and structure as a slide piece of a conventional zipper type fastener. In the second slide piece 12 of the waterproof fastener portion 6, the shape of the tightening groove 2 corresponds to the shape of the bulging edge of the portion 6 and the shape of the grooved edge.

FIG. 4 is a perspective view showing the structure of a double fastener according to another embodiment of the present invention. In this embodiment, the two fastener parts 5 and 6 are integrated into the integral slide piece 1.
Are operated in common. In the slide piece 1, a waterproof fastener portion 6
A zipper groove 2 is formed in the upper part and has the same shape as the bulging edge and the grooved edge of the waterproof zipper part 6. The second fastener groove 3 is a slide piece 1
And is used for fastening the zipper-type fastener portion 5.

Each of the slide pieces 1, 11, 12 is provided with a handle 4 in a known manner.

In the double fastener 10, the tapes 7 and 8 of the two fastener portions 5 and 6 are fixed to each other at the edge 9. In that case, it fixes so that a clearance gap may be provided between both the parts 5 and 6 so that the smooth slide operation | movement of a 1 or several slide piece is attained. In addition, the edges 9 of the two fastener parts 5, 6 thus secured to one another are attached to separate parts of the tent 20.

The waterproof fastener portion 6 is composed of two flexible tapes in a known manner. One has a bulged edge and the other has a grooved edge. The bulging edge and the grooved edge of the waterproof fastener portion 6 are the slide piece 1 or 12.
By pulling and running on them, they are attracted and united. The zipper-type fastener portion 5 has two rows of tooth-like portions, and these portions are brought together and integrated by pulling the slide piece 1 or 11 and running on it.

To attach the two fastener parts 5, 6 to separate parts of the tent 20,
The overlapping edges of the tapes 7 and 8 of the two fastener parts 5 and 6 are first sewn to separate parts of the tent 20 and then sewn by their respective waterproof layers 13 as shown in FIGS. The edge portion can be covered. However, such a sewing method for attaching the fastener portions 5 and 6 to the tent 20 has a problem.

That is, it takes a lot of work, the workability is poor, and the cost is high. further,
Since the double fasteners 10 are sewn to separate parts of the tent 20, the waterproofness cannot be maintained in some cases. That is, the waterproof layer 13 is easily peeled off.

In order to overcome the above-mentioned problems caused by the sewing method, the tape 7 of the fastener 10,
The eight fixed edges 9 may be welded to separate parts of the tent 20 by known high frequency welding methods. However, the use of such a high frequency welding method is limited by the material of the tapes 7 and 8 and the material of the tent 20. That is, when the tape 7 of the zipper-type fastener portion 5 is formed from a synthetic fiber yarn, and the tent 20 or the waterproof fastener portion 6 is formed from a synthetic resin such as PVC (vinyl chloride) or PU (polyurethane). It is almost impossible to weld the tape 7 to the tent 20 or the waterproof fastener portion 6. This is due to the inherent chemical properties of the synthetic resin and synthetic fiber yarn.

Therefore, in one embodiment of the present invention, the tape 7 of the zipper type fastener portion 5 is preferably a known synthetic fiber yarn 2 as shown in FIG.
3 and the thermoplastic synthetic resin yarn 24 are woven as warps and wefts. In this case, the edge of the tape 7 of the zipper-type fastener portion 5 is
The thermoplastic synthetic resin yarn 24 of the tape 7 is firmly welded to the tape 8 of the waterproof fastener portion 6 and the separate portions of the tent 20 using a high frequency welding method.

The high frequency welding method is different from the sewing method in that the fastener 10 and the tent 20
No holes are left at the joint between the two. Therefore, reliable waterproofing and great strength are given to the joint portion between the fastener 10 and the tent 20. Thus, the joint portion of the fastener 10 formed using the high frequency welding method is hardly deformed or damaged even when used for a long period of time or exposed to the atmosphere.

Accordingly, the expected life of the fastener 10 of the present invention is longer and thus improves the quality of the tent 20. Furthermore, the fastener 10 is attached to the tent 20
The high frequency welding method attached to the tent 20 is easier and more efficient than the sewing method, leading to a lower cost of the tent 20.

In the double fastener 10 described above, as shown in FIG.
6 is tightened simultaneously or separately by pulling one or more slide pieces 1, 11, 12 and running on them. In this case, the waterproof fastener portion 6 provides almost complete waterproofing to the fastener 10, thereby reducing the inside of the tent 20 from being affected by moisture.

Furthermore, the zipper type fastener part 5 inside the waterproof fastener part 6 is:
Not only the waterproofing of the fastener 10 is improved, but also a strong fastening strength is given to the fastener 10, thereby giving the fastener 10 a resistance against a tensile force from the outside. By such a zipper type and waterproof fastener portions 5 and 6, the double fastener 10 of the present invention is provided with both high tightening strength and excellent waterproofing.

It is a perspective view which shows the structure of the waterproof double fastener of 1st Example of this invention. It is sectional drawing before the fastening of the double fastener of this invention. It is sectional drawing after the fastening of the double fastener of this invention. It is a perspective view which shows the structure of the waterproof double fastener of the other Example of this invention. FIG. 5 is a cross-sectional view of the double fastener of FIG. 4 showing an integral slide piece engaged with both the zipper-type fastener portion and the waterproof fastener portion. FIG. 5 is an enlarged plan view of a joint portion “B” of FIG. 4, showing a woven structure of a tape of a zipper type fastener portion of the double fastener.

Claims (4)

Waterproof double zipper,
A zipper-type fastener portion comprising a tape having two rows of tooth-like portions,
Each of the tapes being attached to a separate part of the object to which the fastener is attached;
A waterproof fastener portion attached to the tape of the zipper type fastener portion, having a bulging edge portion and a grooved edge portion, and the waterproof fastener portion overlapping the zipper type fastener portion;
Waterproof double zipper consisting of The waterproof double fastener according to claim 1, wherein the zipper-type fastener portion and the waterproof fastener portion are provided with respective slide pieces, and are separately fastened by the slide pieces. The waterproof double fastener according to claim 1, wherein the zipper type and the waterproof fastener portion are tightened in common by one integrated slide piece,
A waterproof double fastener having two types of fastener grooves in which the slide piece has a shape corresponding to a tooth-like portion of the fastener portion and a bulging edge portion and a grooved edge portion. The waterproof double fastener according to claim 1, wherein the tape of the zipper type fastener portion is made of a woven fabric, and the woven fabric is formed by using a high frequency welding method.
A waterproof double fastener woven using a material suitable for welding to both the waterproof fastener portion and the object to which the fastener is attached.

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