JP4274384B1 - Fastener slider - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attach to a packaging bag with a fastener attached thereto, to have a relatively simple structure and to be attached from an end portion of the fastener, and to easily manufacture a resin molding die and to perform resin molding. Provide a slider for easy fasteners.
SOLUTION: A male engagement member provided at a mouth portion of a bag body and provided with a protrusion on one inner side surface and a fitting groove for removably fitting the protrusion on the other inner side surface are provided. One slider member 2 formed with a projection 2A for separating the male engaging member and the female engaging member of the fastener F composed of the female engaging member, and the male engaging member and the female engaging member are fitted. The slider 1 is composed of the other slider member 3 on which the constricted portion 3C is formed. The slider 1 has a fitting structure in which one slider member 2 and the other slider member 3 are integrated.
[Selection] Figure 2

Description

  The present invention can be retrofitted to a slider, particularly a packaging bag provided with a fastener, which can be used for an existing packaging bag with a fastener. The present invention relates to a fastener slider in which a fastener can be freely opened and closed as one slider.

  Conventionally, a packaging bag with a fastener (also referred to as a chuck) is often used for a packaging bag made of a synthetic resin film. Such a fastener of the packaging bag is provided as a means for preventing the intrusion of dust and the loss of an article placed in the packaging bag. Most of the conventional packaging bags with fasteners are provided with a slider for opening and closing the fasteners. That is, as shown in FIG. 9, the opening / closing slider F is provided at the mouth E of the packaging bag W. When the slider 10 is slid in the arrow R direction, the fastener F is opened, and when the slider 10 is slid in the arrow S direction, the fastener F is closed.

The fastener F, as shown in FIG. 10 (A), engaging the male engaging member F1, the ridges F3 on the other inner side surface W ₂ of the ridge portion F3 is provided on one inner side surface W ₁ A female engagement member F2 provided with a concave engagement groove F4 to be detachably fitted is provided by being adhered to the inside of the mouth E of the bag body. Initially, when the fastener F of the packaging bag W is closed, as shown in FIG. 10A, the protrusion F3 of the male engagement member F1, the engagement groove F4 of the female engagement member F2, and Is in the fitted state, but when opening the opening E of the packaging bag W, as shown in FIG. 10B, the protrusion 10A of the slider 10 is connected to the protrusion F3 of the fastener F and the engagement groove F4. When the slider 10 is slid and moved (moved), the mouth E is opened, and when the mouth E of the packaging bag W is closed, as shown in FIG. Further, when the narrowed portion 10C of the slider 10 is positioned outside the male engaging member F1 and the female engaging member F2 and the slider 10 is slid (moved), the mouth E is closed by pressing from both sides. It becomes a state.

FIG. 11A is a perspective view of the conventional slider 10, and FIG. 11B is a perspective view of the half thereof. In these drawings, the direction is opposite to the actual use state so that the contents can be easily understood (the protruding portion 10A and the constricted portion 10C face upward). As shown in these drawings, the conventional slider 10 includes a protruding portion 10A erected in an inner space 10E closer to one side in the center line direction and a side wall 10D erected on both sides of the bottom portion 10B. 10D and wall portions 10 G and 10 G each having a narrow constricted portion 10C on the other side. The slider 10 can also be locked later with a fastener F provided at the mouth E of the packaging bag W. That is, when the slider 10 is attached as shown in FIG. 9, the protrusion 10A of the slider 10 is inserted from above, and is attached so as to be sandwiched from both sides outside the mouth E of the packaging bag W by the narrowed portion 10C. . Thus, when the slider 10 is slid in the arrow R direction, the fastener F is opened, and when the slider 10 is slid in the arrow S direction, the fastener F can be closed (that is, the mouth E is closed).

  Further, as a conventional slider, in a plastic chuck with a slider in which a pair of male and female sealing claws are formed on a plastic surface, or a continuous clamping wall parallel to the claws is further inside the male claws. In a plastic chuck with a slider each having a continuous pressing rib parallel to the claw, a pair of male and female slider guide claw is provided in parallel to the sealing claw on the opening side, and the inner guide of the slider is used as the sealing claw and the slider guide. A bag body with a plastic chuck with a slider positioned between the claw claws has been proposed (Patent Document 1).

  Alternatively, a chuck of a type that combines a detachable protrusion and a fitting groove is used by being attached to a packaging bag attached to the mouth edge, and is straddled on the mouth edge of the bag In a short channel material body that can be slid left and right, a pair of pressing projections sandwiching the chuck is inserted between the projection and the fitting groove in the groove-shaped inner space. In order to arrange the interrupting members that open the chuck in a tandem manner and make it easier to attach the opening / closing tool to the lip, the facing interval between both side walls of the main body is gradually expanded toward the tip. A pair of hooking members with hooking claws that are hooked to each other to project both sides of the side walls so as to press and hold the side walls parallel to each other after mounting. An opening / closing tool (slider) for a packaging bag with a chuck characterized by the above has also been proposed (Patent Document 2).

Patent Document 1 JP 2002-177020 A
Patent Document 2 JP2003-020050

In the conventional slider S described above, an inner guide (S1) and an outer guide (S2) of the slider are formed. In particular, a part of the inner space of the slider S is connected to the male claws by the inner guide (S1) (M2-1). ) And the female claw (F2-1) must be separated from each other, and a corresponding space must be formed, and a constriction that closes the male and female claws (M2-1, F2-1) must be formed. Don't be. Moreover, the opening / closing tool A forms the protrusion 4 for a press in the interruption member 3 and one part of a chuck | zipper, and when the chuck | zipper is closed, the said interruption member 3 is attached to the engagement members 2 and 2 and this engagement member 2 and 2. It is configured to form. In any case, both the slider S and the opening / closing tool A are molded products made of synthetic resin. However, it is extremely complicated, complicated and difficult to manufacture these molds for resin molding. Moreover, the slider S and the opening / closing tool A are limited in size and cannot be made too large.
Furthermore, the slider as shown in FIG. 11 is most convenient, but when it is attached to the fastener, it cannot be fitted from the end portion, and is pushed from the upper corner.

  The present invention has been made in consideration of the above-mentioned circumstances, and can be attached later to a packaging bag on which a fastener is attached. The structure is relatively simple and can be attached from the end of the fastener. Another object of the present invention is to provide a slider for a fastener that is easy to manufacture a resin molding die and is easy to mold with a resin.

In order to achieve the above object, the packaging bag according to the present invention is the packaging bag according to the first aspect, wherein the slider for the fastener is provided at the mouth of the bag and has a ridge on one inner surface. Of the male engaging member and the female engaging member of the fastener comprising a male engaging member provided and a female engaging member provided with a fitting groove for removably fitting the protruding portion on the other inner surface . One slider member (2) formed with a projecting portion that cuts into and separated from the fitted state, and a narrowed portion (3C) for bringing the male engaging member and the female engaging member into a fitted state are formed. the other of the slider member (3), a slider more composed, the one slider member (2) and the other of the slider member (3) and is Ri Do to integrally fitting structure for separating and fitting of the fastener It is characterized by that.

According to a second aspect of the present invention, side walls (2C, 2C) are formed on both sides of one slider member provided with the protrusions, and both sides of the narrowed portion (3C) of the other slider member (3). pillar portion (3A, 3A) pillar portion to form a to form a recess on both sides of (3A) (3E, 3E) , fitted to the side wall (2C) in the recess (3E), of the one the slider member and the other of the slider member is characterized by an integral preparative ing fitting structure.

  The invention according to claim 3 is provided on both side walls (2C, 2C) on both sides of the one slider member (2) and on both sides outside the narrowed portion (3C) of the other slider member (3). The recesses (3E, 3E) are characterized by a fitting structure that fits inseparably.

  According to the fastener slider of the present invention as the above means, one slider member having a projection and the other slider member having a constriction are manufactured separately, and are easily fitted and integrated into a normal slider. It can be set as the same slider. This slider can be easily opened by inserting one slider member having a projection between the closed fasteners. Further, the other slider member having the narrowed portion can seal the open fastener. Furthermore, this slider can be retrofitted to the fastener provided in the packaging bag body, and if it is moved to one side just like a normal fastener with slider, the closed fastener can be opened, When moved to the other side, the male part and female part of the open fastener can be fitted and closed.

  The fastener slider of the present invention is composed of two separate parts, and the mold structure is simple because it is integrally fitted, and can be manufactured at low cost. In addition, since one slider member can be fitted from one side of the end of the fastener and the other slider member can be inserted from above the fastener separately from above, it can be fitted, so that there is a gap between the fastener end of the packaging bag body. The packaging bag body can be sealed without making a seal.

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

  FIG. 1 is an overall perspective view of the fastener slider 1 of the present invention, and FIG. 2A is a view showing that one slider member 2 constituting the fastener slider 1 of the present invention and the other slider member 3 are integrated. FIG. 2B is a perspective view of the other slider member 3 shown in FIG. 2A, and FIG. 2C is the fastener of FIG. It is a whole perspective view which cuts and shows a part of whole perspective view of a slider. 3A is a plan view of the fastener slider of the present invention, FIG. 3B is a cross-sectional view taken along arrow AA in FIG. 3A, and FIG. It is a bottom view. 4A is a cross-sectional view taken along the line BB in FIG. 3C, and FIG. 4B is a cross-sectional view taken along the line CC in FIG. 3C.

  As shown in FIG. 2 (A), one slider member 2 is composed of a protrusion 2A erected at the center of the bottom 2B and side walls 2C and 2C erected on both sides of the bottom 2B. . The other slider member 3 includes a space 3C (referred to as a narrowed portion 3C) serving as a narrowed portion between column portions 3A and 3A that are erected on the bottom 3B at a predetermined distance from the end portion, and the column. It is comprised by the flange parts 3D and 3D which form the recessed part 3E and 3E which fit in the side wall part 2C and 2C provided in the said one slider member 2 with the said bottom part 3B provided on the part 3A, 3A. The width L inside the side wall portions 2C, 2C provided on the one slider member 2 is substantially the same as the width H outside the column portions 3A, 3A formed on the other slider member 3, but slightly smaller ( (See FIG. 4A). Further, the width M of the narrow space 3C between the pillar portions 3A and 3A provided on the other slider member 3 is set so that the male engagement member F1 and the female engagement member F2 of the fastener F attached to the packaging bag body W. Is pressed from the outside, and the width is such that these are fitted (see FIGS. 4A and 4B).

  When one slider member 2 and the other slider member 3 having the above-described configuration are integrated as indicated by an arrow Q in FIG. 2A, the side wall portions 2C and 2C of one slider member 2 become the other slider member 3. Are respectively fitted into recesses 3E and 3E formed between the bottom 3B and the flanges 3D and 3D to form an integrated slider. That is, the side wall portions 2C and 2C of the one slider member 2 and the recesses 3E and 3E of the other slider member 3 have a fitting structure. In this case, the side wall portions 2C and 2C of the one slider member 2 have a certain elasticity. The protrusion 2A formed on the one slider member 2 has a tapered tip (to be tapered) so that it is easy to interrupt between the male and female engaging members of the closed fastener. ).

Next, as shown in FIG. 5, the side wall portions 2C provided in the slider member 2 of the one, the end portion of 2C, hook portion 2C _R, to form a 2C _R, provided in the other of the slider member 3 When one slider member 2 and the other slider member 3 are fitted to the column portions 3A, 3A, that is, when the side wall portions 2C, 2C and the column portions 3A, 3A are fitted, the column portions 3A and 3A are provided with step portions 3A _T and 3A _T for engaging the hook-shaped portion. Incidentally, these hook portions 2C _R, 2C _R and the stepped portion 3A _T, the engagement of the 3A _T, as shown in FIG. 5, be formed so as to be inseparable when both engaged as acute good.

  As shown in FIG. 6, the fastener slider 1 of the present invention configured as described above pushes the protruding portion 2A from above into the middle of the fastener F of the packaging bag W provided with the fastener F at the mouth, The stenosis part 3C can be attached by being sandwiched from both sides of the mouth part. In FIG. 6, the slider 1 is drawn slightly larger for easy understanding. Thus, when the slider 1 is slid in the direction of arrow R, the fastener F at the mouth is opened, and when it is slid in the direction of arrow S, the fastener at the mouth can be closed.

  The slider 1 of the present invention can completely seal the fastener F provided at the mouth of the packaging bag W. That is, as shown in FIG. 7 (A), the protrusion 2A (see FIG. 2 (A)) of one slide member 2 is interrupted from the outside from the outside of the end of the mouth of the packaging bag W, and the other The slide member 3 is attached so as to be sandwiched by the narrowed portion from above the mouth portion E, and one slide member 2 and the other slide member 3 are integrally fitted as shown in FIG. When the slide 1 is thus attached to the mouth E of the packaging bag body, the fastener F provided on the mouth E can be sealed from end to end. Accordingly, small articles placed inside the packaging bag W are less likely to spill out.

  The structure of the fastener slider of the present invention is as described above, but the fitting structure between one slider member and the other slider member is not limited to the above embodiment. That is, in the specific embodiment of the present invention, the case of fitting in the axial direction (sliding direction) has been described. However, as shown in FIG. 8, one slider member 22 and the other slider member 23 are vertically moved. It is good also as a structure fitted to a direction. In this case, the portion with the wide width G is the position where the protrusion 22A is provided, and the portion with the narrow width J becomes the constricted portion 23C. Alternatively, the projection may be provided in one of the slider members in the vertical direction, and a hole for fitting the projection may be provided in the other slider member. That is, it is good also as a structure fitted to a horizontal direction. Further, the fastener slider of the present invention is retrofitted to the fastener provided in the packaging bag body, but it is natural that it may be attached to the fastener from the beginning.

It is a whole perspective view of the slider for fasteners of the present invention. 2A is a perspective view of a state before one slider member constituting the slider for fastener of the present invention and the other slider member are integrally fitted, and FIG. 2B is a perspective view of FIG. FIG. 2C is a perspective view of the other slider member shown in FIG. 2A, and FIG. 2C is an overall perspective view showing a part of the overall perspective view of the fastener slider of FIG. 3 (A) is a plan view of the fastener slider of the present invention, FIG. 3 (B) is a cross-sectional view taken along the line AA of FIG. 3 (A), and FIG. 3 (C) is a bottom view. It is. 4A is a cross-sectional view taken along the line BB in FIG. 3C, and FIG. 4B is a cross-sectional view taken along the line CC in FIG. 3C. It is a figure which shows the latching state in the case of making disengagement of the hook-shaped part of the side wall of the one slur member which comprises the slider for fasteners of this invention, and the step part of the pillar part of the other slider impossible. It is a perspective view of the state which attached the slider for fasteners of the present invention to the fastener provided in the mouth of the bag for packaging. FIG. 7A shows that the protruding portion of one slide member is interrupted from the outside from the outside of the end of the mouth portion of the packaging bag body, and the other slide member 3 is sandwiched by the narrowed portion from above the mouth portion E. FIG. 7B is a diagram showing a state in which one slide member and the other slide member are integrally fitted. It is a perspective view which shows other Examples of the slider for fasteners of this invention, Comprising: One slider member and the other slider member are fitted up and down. It is a perspective view of the slider attached to the fastener provided in the opening part of the conventional packaging bag body. FIG. 10A is a diagram showing a structure of a fastener provided in a normal packaging bag body, and FIG. 10B shows a state in which the projection of the slider is inserted into the closed fastener and the fastener is opened. FIG. 10C is a diagram illustrating a state in which the opened fastener is closed at the narrowed portion of the slider. FIG. 11A is an overall perspective view showing a configuration of a conventional slider, and FIG. 11B is a perspective view in a half state.

DESCRIPTION OF SYMBOLS 1 Slider 2 One slider member 2A Projection part of one slider member 2B Bottom part of one slider member 2C Side wall of one slider member 3 Other slider member 3B Bottom part of the other slider member 3C Constriction part of the other slider member 3D庇 3E of the other slider member Recessed portion of the other slider member

Claims (3)

A male engagement member provided at the mouth of the bag body and provided with a fitting groove into which one of the inner side surfaces is provided with a protrusion and a fitting groove into which the protrusion is removably fitted. One slider member formed with a protruding portion that cuts into and separates the mating state between the male engagement member and the female engagement member of the fastener consisting of the above, and the male engagement member and the female engagement member are fitted. and the other slider member formed with constriction to allow the state, a slider more made, the Ri Do and one of the slider member and the other of the slider member to integrally fitted performing the separation and engagement of the fastener A fastener slider characterized by a combined structure. Side walls are formed on both sides of one slider member provided with the protrusions, column portions are formed on both sides of the narrowed portion of the other slider member, and recesses are formed on both outer sides of the column portions, and the side walls are fitted in the recess, fastener slider according to claim 1, wherein the one of the slider member and the other of the slider member is equal to or an integral preparative ing fitting structure.   The side wall of both sides of said one slider member and the recessed part provided in the both sides of the outer side of the constriction part of the other slider member are set as the fitting structure fitted so that separation is impossible. The fastener slider according to claim 2.

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