JP2011115383A - Fastener and storing bag using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fastener and a storing bag using the fastener having simple structure and improved sealing performance. <P>SOLUTION: The storing bag includes: a female track R2 facing a male track R1 and having a female shape part which is engaged with a male shape part; and an opening/closing member 10 which is attached astride the male track and the female track so as to slide between a closing position P1 and an opening position. The opening/closing member includes: closing parts formed on the side of the opening position so as to engage the male track and the female track for closing; an opening part 12 formed on the side of the closing position so as to release engaging between the male track and the female track for opening; and a support part 13 for supporting the closing parts 11 and the opening part. The opening part of the opening/closing member is formed closer to the opening position 11 than a closing-side end 13a of the support part of the opening/closing member. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a fastener and a storage bag using the fastener.

  Conventionally, various structures related to resin fasteners have been proposed.

  For example, in a thermoplastic film bag, it is well known that a pair of male and female fastener members are disposed along the mouth of the bag and attached to the flexible wall of the bag.

  Thermoplastic film bags equipped with such fasteners have good sealing properties, are suitable for storing and storing various foods, seasonings such as sugar and salt, or powders such as toner, and are widely used. .

  On the other hand, in the thermoplastic film bag provided with the fastener as described above, an opening / closing member (slider) is provided, and by sliding the opening / closing member, the bag can be opened and closed smoothly. Various fasteners have been developed.

  For example, JP-A-5-137607 discloses a re-closable plastic fastener having a slider for opening and closing a re-closable fastener. A technique is disclosed in which when the moving end portion is reached, the male and female outer shape members of the slider are held in a mutually locked state by a compression type latch mechanism or the like made of a flexible tongue.

JP-A-5-137607

  An object of this invention is to provide the fastener which can improve sealing performance with a simple structure, and the storage bag using the fastener.

  In order to solve the above-mentioned problem, a fastener according to the invention of claim 1 includes a male track having a male shape portion, and a female die provided to face the male track and meshed with the male side shape portion. A female track having a shape portion, and is attached so as to straddle the male track and the female track, and is slid between a closed position and an open position, and is provided on the open position side, and A closing portion that meshes and closes the male track and the female track, an opening that is provided on the closed position side and releases the meshing between the male track and the female track, and the opening An opening / closing member having a closing portion and a support portion for supporting the opening portion, and the opening portion of the opening / closing member is provided closer to the opening position side than a closed position side end portion of the supporting portion of the opening / closing member. It is characterized by being.

  The fastener according to the invention of claim 2 relates to the invention of claim 1, wherein the male track and the female track include an edge extending along the longitudinal direction of each track, and in the closed position, At least a part of the support portion of the opening / closing member is configured to come into contact with the edge portion.

  According to a third aspect of the present invention, there is provided a fastener according to the first or second aspect of the invention, wherein the opening of the opening / closing member is inclined toward the inside of the opening / closing member on the closed position side. A portion is formed.

  According to a fourth aspect of the present invention, there is provided the fastener according to any one of the first to third aspects, wherein the male track and the female track have a close contact portion protruding in close contact at least in the closed position. In the closed position, at least a part of the support portion of the opening / closing member is configured to contact the protruding end side of the contact portion.

  According to a fifth aspect of the present invention, in the fastener according to any one of the first to third aspects, the male track and the female track are in close contact with each other at least in the closed position to form a close contact portion. In the closed position, the end portion of the support portion of the opening / closing member is configured to contact the end portion of the contact portion.

  According to a sixth aspect of the present invention, there is provided the fastener according to any one of the first to third aspects, wherein the male track and the female track have a close contact portion protruding in close contact at least in the closed position. In the closed position, at least a part of the support part of the opening / closing member is in contact with the protruding end side of the close contact part, and the side end part of the support part of the open / close member and the side end part of the contact part It is characterized in that a space is formed between the two.

  According to a seventh aspect of the present invention, in the fastener according to any one of the first to third aspects, the male track and the female track have a close contact portion protruding in close contact at least in the closed position. In addition, an inclined portion that is inclined toward the open position is formed at an end of the close contact portion on the open position side. At the closed position, at least a part of the support portion of the open / close member is the close contact portion. It is comprised so that it may mount on the protrusion end side of the said contact part via the said inclination part.

  According to an eighth aspect of the present invention, in the fastener according to any one of the fourth to seventh aspects, the male track and the female track are formed of a flexible resin, and the contact portion Is formed by fusing ends of the male track and the female track.

  A storage bag according to a ninth aspect of the present invention includes the fastener according to any one of the first to eighth aspects.

  According to the present invention, the following effects can be obtained.

  That is, according to the first aspect of the present invention, it is possible to provide a fastener that improves the sealing performance with a simple configuration.

  According to the invention described in claim 2, it is possible to provide a fastener that further improves the sealing performance by bringing at least a part of the support portion of the opening / closing member into contact with the edge portion.

  According to the third aspect of the present invention, it is possible to provide the fastener that further improves the sealing performance by forming the inclined portion inclined toward the inner side of the opening / closing member on the closed position side of the opening of the opening / closing member.

  According to the fourth aspect of the present invention, it is possible to provide a fastener that further improves the sealing performance by bringing at least a part of the support portion of the opening / closing member into contact with the protruding end side of the close contact portion in the closed position.

  According to the fifth aspect of the present invention, it is possible to provide a fastener that further improves the sealing performance by bringing the end portion of the support portion of the opening / closing member into contact with the end portion of the close contact portion in the closed position.

  According to invention of Claim 6, the fastener which can improve sealing performance more with a simple structure can be provided.

  According to invention of Claim 7, the fastener which can improve sealing performance more can be provided.

  According to invention of Claim 8, the fastener which can improve sealing performance further can be provided.

  According to invention of Claim 9, the storage bag which improves sealing performance with a simple structure can be provided.

It is the side view (a) which shows schematic structure of the fastener F1 which concerns on embodiment, a partial sectional view (b), and the figure (c) seen from the lower surface. It is the side view (a) which shows the use condition of the fastener F1 which concerns on embodiment, the partial sectional view (b), and the figure (c) seen from the lower surface. It is the side view (a) which shows the use condition of the fastener F1 which concerns on embodiment, the partial sectional view (b), and the figure (c) seen from the lower surface. 1 is a perspective view showing a configuration example of an opening / closing member (slider) 10. FIG. It is the top view (a) which shows the structural example of the opening-and-closing member (slider) 10, a side view (b), a front view (c), and a rear view (d). It is explanatory drawing which shows the structural example of the fastener F1 which concerns on embodiment. It is explanatory drawing which shows the structural example of the fastener F1 which concerns on embodiment. It is explanatory drawing which shows the structural example of the fastener F1 which concerns on embodiment. It is explanatory drawing which shows the structural example of the fastener F1 which concerns on embodiment. It is a perspective view which shows the structural example of the fastener F1 which concerns on embodiment. It is explanatory drawing which shows the structural example of the storage bag using the fastener F1 which concerns on embodiment. It is the side view (a) which shows schematic structure of the fastener F2 as a comparison object, a partial sectional view (b), and the figure (c) seen from the lower surface.

  Hereinafter, an embodiment as an example of the present invention will be described in detail with reference to the drawings. Here, in the accompanying drawings, the same reference numerals are given to the same members, and duplicate descriptions are omitted. In addition, since description here is the best form by which this invention is implemented, this invention is not limited to the said form.

  A fastener F1 according to an embodiment of the present invention will be described with reference to FIGS.

  1A is a side view of the fastener F1 attached to the resin bag 300, FIG. 1B is a view including a cross section of the slider 10 constituting the main part of the fastener F1, and FIG. It is the figure which looked at the fastener F1 attached to the bag 30 from the lower side.

  The fastener F1 includes a male track R1 having a male shape portion, a female track R2 having a female shape portion that is provided opposite to the male track R1 and meshes with the male shape portion, and a male track. It is attached so as to straddle R1 and female track R2 (see (c) of FIG. 1), and is slid between a closed position P1 and an open position (P2 shown in (a) of FIG. 1), A closing portion 11 provided on the open position P2 side for closing the male track R1 and the female track R2 and closing the male track R1, and a male portion R1 and the female track R2 provided on the closed position P1 side. And an opening / closing member (slider) 10 having an opening (rib for opening) 12 and a closing portion 11 and a support portion 13 that supports the opening 12. The opening 12 of the opening / closing member 10 is open / closed. Open position relative to the closed position side end 13a of the support portion 13 of the member 10 And it is configured so as to be provided at two side.

  FIG. 1 shows a state in which the fastener F1 is attached by a method such as fusion bonding in the vicinity of the opening of a resin bag 30 that contains a powdery material such as toner.

  The male track R1, the female track R2, and the opening / closing member 10 are formed of a resin such as nylon, polypropylene, polyethylene, or a combination of these resins.

  Further, the male track R1 and the female track R2 are formed with a close contact portion 20 that protrudes in close contact (for example, press fusion) at the closed position P1 and the open position P2.

  In the case where the male track R1 and the female track R2 are molded from a flexible resin, the contact portion 20 itself is also flexible.

  Furthermore, the male track R1 and the female track R2 include an edge 21 that extends along the longitudinal direction of each track. Although this edge 21 may be provided separately, it may be constituted by the upper end of the opening of the bag 30.

  Here, with reference to FIG. 12, the structure of the conventional fastener F2 as a comparison object is demonstrated easily.

  In addition, about the structure similar to the fastener F1 which concerns on this Embodiment, the same code | symbol is attached | subjected and the overlapping description is omitted.

  In the conventional fastener F2, in the opening / closing member (slider) 100, the front end of the opening (opening rib) 112 on the closed position P1 side is flush with the front end of the supporting portion 113 of the opening / closing member 100 on the closed position P1 side. ing.

  Therefore, as can be seen with reference to FIG. 12C and the like, a gap (space) S is generated at the tip of the opening / closing member 100 (the tip of the support portion 113 and the tip of the opening 112) that has reached the closed position P1. As a result, the sealing performance is impaired.

  Therefore, when a powdery material such as toner is accommodated in the bag 30, the powdery material may leak out from the gap (space) S.

  Therefore, in the present invention, as described above, the opening 12 of the opening / closing member 10 is configured to be provided closer to the open position P2 than the closed position side end 13a of the support 13 of the opening / closing member 10, Even when the gap (space) S is generated, the closed position side end 13a of the support portion 13 covers the gap (space) S like a ridge to improve the sealing performance.

  Thereby, even when powdery materials such as toner are accommodated in the bag 30, the powdery material is prevented from leaking from the gap (space) S to the outside.

  2 and 3 show a state in which the opening / closing member 10 is moved in the direction of arrow A when the opening of the bag 30 is closed in the fastener F1 according to the present embodiment.

  Needless to say, when opening the bag 30, the opening and closing member 10 is moved in the direction opposite to the arrow A direction.

  4 is a perspective view showing a configuration example of the opening and closing member 10 applied to the fastener F1 according to the present embodiment, and FIG. 5 is a plan view (a) and a side view showing the configuration example of the opening and closing member 10. b) Front view (c) and rear view (d).

  4 and 5A and the like, the opening (opening rib) 12 of the opening / closing member 10 is more closed than the closed position side end 13a of the support 13 of the opening / closing member 10. On the side.

  The shape of the opening (opening rib) 12 is not limited to the shape shown in FIGS.

  4 and FIG. 5A, the tip of the closed position side end 13a has a sharp shape, but is not limited to this, and the tip has a flat tip shape or roundness. It may be a shape or the like.

  Next, another configuration example of the fastener F1 according to the present embodiment will be described.

  First, the male track R1 and the female track R2 shown in FIG. 1 and the like include the edge portion 21 that extends along the longitudinal direction of each track as described above, and the opening / closing member 10 at the closed position P1. At least a part of the support portion 13 (for example, the lower surface side of the ceiling portion of the support portion 13 or the like) may be configured to contact the edge portion 21.

  As a result, the sealing performance is further improved, and even when a powdery material such as toner is accommodated in the bag 30, the powdery material leaks to the outside from the gap (space) S (see FIG. 1C, etc.). It is suppressed.

  In addition, as shown in FIG. 6, on the closed position P <b> 1 (see FIG. 1A) side of the opening (opening rib) 12 of the opening / closing member 10, an inclined portion inclined toward the inside of the opening / closing member 10. You may comprise so that 12A may be formed.

  Accordingly, the upper side of the opening (opening rib) 12 serves as a lid for closing the upper surface side of the gap (space) S (see FIG. 1C, etc.) at the closed position P1, and the sealing performance is further improved. The

  Further, as described above, the male track R1 and the female track R2 are formed with the close contact portions 20 that protrude in close contact at the closed position P1.

  Here, as shown in FIG. 7, at the closed position P <b> 1, at least a part of the support portion 513 of the opening / closing member 500 (for example, the lower surface of the front end portion 513 a of the support portion 513) is on the protruding end 20 a side. You may comprise so that it may contact.

  In particular, as described above, when the male orbit R1 and the female orbit R2 are formed of a flexible resin, the contact portion 20 itself is also flexible. The protruding end 20 a is slightly crushed by contact with the support portion 513, and the sealing performance is further improved by the repulsive force from the close contact portion 20.

  Further, as shown in FIG. 8, the end portion 613 a of the support portion 613 of the opening / closing member 600 may be configured to contact the end portion 20 b of the close contact portion 20 at the closed position P1.

  In this case, when the end portion 20b of the close contact portion 20 is processed to have a substantially vertical surface, the contact area between the end portion 613a of the support portion 613 of the opening / closing member 600 is widened, and the sealing performance is further improved.

  As shown in FIG. 9, at the closed position P1, at least a part of the support portion 713 of the opening / closing member 700 (for example, the lower surface of the tip portion 713a of the support portion 713) is located on the protruding end 20a side of the contact portion 20. The space 750 may be formed between the side end portion 713b of the support portion 713 of the opening / closing member 700 and the side end portion 20b of the contact portion 20 while being in contact with each other.

  In this case, the sealing performance is improved, and when the force indicated by the arrow f is applied to the entire bag 30 or in the vicinity of the close contact portion 20, the space 750 becomes a buffer portion (buffer), and the opening / closing member 700 is opened. Shifting to the P2 side is suppressed.

  Further, as shown in FIG. 10, an inclined portion 20c that is inclined toward the open position P2 is formed at the end of the contact portion 20 on the open position P2 side. At the closed position P1, at least one of the support portions 813 of the opening / closing member 800 is formed. The portion (for example, the lower surface of the tip portion of the support portion 813) may be configured to be placed on the protruding end 20a side of the close contact portion 20 via the inclined portion 20c of the close contact portion 20.

  In this case, the lower surface or the like of the distal end portion of the support portion 813 is placed on the protruding end 20a side of the contact portion 20 so that the opening portion (opening rib) 12 is moved to the arrow B side and the male track R1 and the female track R1. It bites into the mold track R2 and does not easily come off. Thereby, the sealing performance is further improved.

  In FIG. 11, the structural example of the storage bag 900 which attached the above-mentioned fastener F1 to the bags 30 made from resin etc. is shown.

  Although the usage of such a storage bag 900 is not particularly limited, the toner (including waste toner and the toner cartridge itself) used for a laser printer or the like, taking advantage of the good sealing performance of the fastener F according to the present embodiment, It is assumed to be used for storing and storing powdery substances such as various powder seasonings such as sugar and salt.

  Although the invention made by the present inventor has been specifically described based on the embodiments, the embodiments disclosed herein are illustrative in all respects and are not limited to the disclosed technology. Should not be considered. That is, the technical scope of the present invention should not be construed restrictively based on the description in the above embodiment, but should be construed according to the description of the scope of claims. All modifications that fall within the scope of the claims and the equivalent technology are included.

  The fastener according to the present invention can be applied to sealing a resin storage bag or the like.

F1 Fastener 10 Opening / closing member 11 Closing portion 12 Opening portion 12A Inclining portion 13 Supporting portion 13a Closed position side end portion 20 Adhering portion 20a Protruding end 20b End portion (side end portion)
20c Inclined portion 21 Edge portion 30 Bag 100 Opening / closing member 112 Opening portion 113 Support portion 300 Bag 500 Opening / closing member 513 Support portion 513a Tip portion 600 Opening / closing member 613 Support portion 613a End portion 700 Opening / closing member 713 Support portion 713a Tip portion 713b Side end portion 750 Space 800 Opening / closing member 813 Supporting part 900 Storage bag F2 Fastener P1 Open position P2 Open position R1 Male track R2 Female track S Clearance (space)

Claims (9)

A male orbit having a male shape part; and
A female orbit having a female shape portion provided opposite to the male orbit and meshed with the male side shape portion;
The male track and the female track are mounted so as to straddle, are slid between a closed position and an open position, and are provided on the open position side to provide the male track and the female track. A closing portion that engages and closes, an opening that is provided on the closed position side to release the engagement between the male track and the female track, and supports the closing portion and the opening. An opening and closing member having a support part;
With
The fastener according to claim 1, wherein the opening of the opening / closing member is provided closer to the open position than the closed position side end of the support of the opening / closing member. The male track and the female track have edges that extend along the length of each track,
2. The fastener according to claim 1, wherein at the closed position, at least a part of the support portion of the opening / closing member is configured to contact the edge portion.   3. The fastener according to claim 1, wherein an inclined portion that is inclined inward of the opening / closing member is formed on the closed position side of the opening of the opening / closing member. The male track and the female track are formed with a close contact portion that protrudes in close contact at least in the closed position,
The said closed position WHEREIN: At least one part of the support part of the said opening / closing member is comprised so that the protrusion end side of the said contact | adherence part may be contacted, The claim 1 characterized by the above-mentioned. fastener. The male track and the female track are closely contacted at least in the closed position to form a close contact portion,
The fastener according to any one of claims 1 to 3, wherein, in the closed position, an end portion of the support portion of the opening / closing member is configured to contact an end portion of the contact portion. The male track and the female track are formed with a close contact portion that protrudes in close contact at least in the closed position,
In the closed position, at least a part of the support portion of the opening / closing member is in contact with the protruding end side of the contact portion, and between the side end portion of the support portion of the opening / closing member and the side end portion of the contact portion. The fastener according to any one of claims 1 to 3, wherein a space is formed in the fastener. The male track and the female track are formed with a close contact portion that protrudes in close contact at the closed position, and an inclined portion that inclines toward the open position at an end portion on the open position side of the close contact portion. Formed,
2. The closed position is configured such that at least a part of a support portion of the opening / closing member is placed on a protruding end side of the close contact portion via the inclined portion of the close contact portion. The fastener according to claim 3.   The male track and the female track are formed of a flexible resin, and the contact portion is formed by fusing ends of the male track and the female track. The fastener according to any one of claims 4 to 7. A storage bag comprising the fastener according to any one of claims 1 to 8.

Images