JP2014097110A - Conductive fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slide fastener capable of stably flowing an electric signal from one fastener tape to another fastener tape while suppressing an increase in a production cost, and to provide a connector member.SOLUTION: The slide fastener includes: a pair of fastener tapes 20; and a pair of fastener element rows 30 provided respectively at bent edges 20b formed by bending facing tape-side edges 20a of the pair of fastener tapes 20 towards the back face side of the fastener tapes 20 and having a plurality of fastener elements 31. The pair of fastener tapes 20 includes at least one conductive layer 21 extending in the width direction of the pair of fastener tapes 20 in a state where the pair of fastener tapes 20 is connected by engagement of the pair of fastener element rows 30.

Description

  The present invention relates to a conductive fastener, that is, a conductive fastener, and more particularly, to a slide fastener and a connector member that can flow an electrical signal from one fastener tape to the other fastener tape.

  Conventionally, a third conductive portion is provided at the upper end of the side end portion on which one tape element is provided, a fourth conductive portion is provided apart from the third conductive portion, and an element on the other tape is provided. A fifth conductive portion is provided on the side end portion over a position facing at least the third conductive portion and the fourth conductive portion, and provided at a portion where the third conductive portion and the fifth conductive portion are provided. There is known a slide fastener in which the provided element and the element provided at the portion where the fourth conductive portion and the fifth conductive portion are provided have a conductive function (see, for example, Patent Document 1).

  Further, in the related art, a plurality of conductive engaging members are held in a row through an opening space having a predetermined width between adjacent conductive engaging members, and the two connectors are opposed to each other. A zipper-type connector is known in which these two connectors are engaged so as to close the zipper, and a plurality of conductive engaging members are integrally held by an insulating holding member insert-molded with an elastic material. (For example, refer to Patent Document 2).

JP 2007-185480 A JP-A-6-333648

  By the way, in the slide fastener described in Patent Document 1, there is a possibility that the flow of electrical signals becomes unstable because there is a clearance between the left and right fastener elements in the meshed state. Further, in the zipper connector described in Patent Document 2, since the insulating holding member is insert-molded between the respective fastener elements (conductive engagement members), the manufacturing cost may increase.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a slide fastener capable of stably flowing an electric signal from one fastener tape to the other fastener tape while suppressing an increase in manufacturing cost. And providing a connector member.

The above object of the present invention can be achieved by the following constitution.
(1) A pair of fastener tapes and a pair of fastener tapes are provided on bent edges formed by bending the opposing tape side edges toward the back side of the fastener tape, and have a plurality of fastener elements. A pair of fastener element rows, and at least one conductive layer extending in the width direction of the pair of fastener tapes in a state where the pair of fastener tapes is coupled to the pair of fastener tapes by meshing the pair of fastener element rows. A slide fastener characterized by being provided.
(2) The slide fastener according to (1), wherein the conductive layer is continuously provided across the width direction of the pair of fastener tapes.
(3) The slide fastener according to (1) or (2), further comprising a slider for engaging and separating the pair of fastener element rows.
(4) The slide fastener according to (3), wherein a separation / insertion tool is provided at a lower end portion of the pair of fastener element rows.
(5) The slide fastener according to any one of (1) to (4), wherein the fastener element is formed integrally with a fastener tape by resin injection molding.
(6) The fastener element includes a base portion having a C-shaped cross section that holds the core string of the bent edge portion, a flat plate-like first tape clamping portion that extends from the top end of the base portion, and a lower side of the base portion A flat plate-like second tape clamping part extending from the tip of the first tape, and a meshing part formed in the second tape clamping part, the tip surface of the first tape clamping part of one fastener element and the other (1) to (1), wherein a pair of fastener tapes are sandwiched between the front end surfaces of the first tape clamping portions of the fastener elements, and the conductive layer is provided up to the surfaces of the sandwiched portions of the pair of fastener tapes. The slide fastener according to any one of 5).
(7) The slide fastener according to any one of (1) to (6), wherein the conductive layer is provided in a range of the fastener element row in the longitudinal direction of the fastener tape.
(8) The conductive layer is provided with an interval between at least two or more fastener elements in the longitudinal direction of the fastener tape, and the conductive layer is in an electrically non-contact state (7) The slide fastener as described in.
(9) The slide fastener according to any one of (1) to (8), wherein the conductive layer is fixed to a fastener tape, and the fastener tape is an insulator.
(10) The slide fastener according to any one of (1) to (9), wherein the conductive layer is formed by applying a conductive paint to a fastener tape.
(11) A connector member using the slide fastener according to any one of (1) to (10), wherein the conductive layer of the pair of fastener tapes is electrically connected when the pair of fastener element rows is engaged. The connector member is characterized in that the electrical connection between the conductive layers of the pair of fastener tapes is cut when the pair of fastener element rows are separated from each other so that the electrical signal can be transmitted.

  According to the present invention, a plurality of fasteners are provided on each of a pair of fastener tapes and bent edge portions formed by bending the opposing tape side edge portions of the pair of fastener tapes toward the back surface side of the fastener tape. A pair of fastener element rows having elements, and a conductive layer extending in the width direction of the pair of fastener tapes in a state where the pair of fastener tapes are coupled to the pair of fastener tapes by meshing the pair of fastener element rows. Since at least one is provided, it is possible to stably flow an electrical signal from one fastener tape to the other fastener tape while suppressing an increase in manufacturing cost.

It is a front view explaining one embodiment of a slide fastener concerning the present invention. It is a reverse view of the slide fastener shown in FIG. It is sectional drawing of the state which the fastener element on either side of the slide fastener shown in FIG. 1 meshed | engaged. FIG. 2 is a cross-sectional view showing a state where left and right fastener elements of the slide fastener shown in FIG. 1 are separated. It is an expansion perspective view explaining the fastener element shown in FIG. It is a surface view which shows the state by which the conductive layer of a right-and-left fastener tape is electrically connected by the sliding operation | movement of a slider, (a) is a figure before a slider sliding, (b) is after a slider sliding. FIG. It is sectional drawing explaining the 1st modification of one Embodiment of the slide fastener which concerns on this invention. It is sectional drawing explaining the 2nd modification of one Embodiment of the slide fastener which concerns on this invention. It is sectional drawing explaining the 3rd modification of one Embodiment of the slide fastener which concerns on this invention.

  Hereinafter, an embodiment of a slide fastener having a conductive function according to the present invention will be described in detail with reference to the drawings. In the following description, regarding the fastener tape, the front side is the front side of the paper surface of FIG. 1, the back side is the back side of the paper surface of FIG. 1, the upper side is the upper side of the paper surface of FIG. The lower side is the lower side with respect to the paper surface of FIG. 1, the left side is the left side with respect to the paper surface of FIG. 1, and the right side is the right side with respect to the paper surface of FIG. Moreover, the left-right direction of a fastener tape is also called the width direction. Moreover, the up-down direction of a fastener tape is also called a length direction. Regarding the fastener element, the upper side is the upper side with respect to the paper surface of FIG. 3, the lower side is the lower side with respect to the paper surface of FIG. 3, and the width direction is the left-right direction with respect to the paper surface of FIG.

  As shown in FIGS. 1 to 3, the slide fastener 10 of the present embodiment includes a pair of left and right fastener tapes 20 made of a non-conductive material (insulator), and opposite tape side edges of the pair of left and right fastener tapes 20. A pair of left and right fastener element rows 30 each having a plurality of fastener elements 31 and a pair of left and right fastener elements 30 provided on the bent edge portion 20b formed by bending 20a toward the back surface side of the fastener tape 20 in a substantially U shape. Adjacent to the upper ends of the left and right fastener element rows 30, the slider 40 for engaging and separating the fastener element rows 30, the pair of upper stoppers 11 provided adjacent to the upper end portions of the left and right fastener element rows 30, respectively. And a separation fitting insert 12 provided.

  The opening / closing insert 12 is attached to the lower end of the fastener element row 30 of the left fastener tape 20 and the box bar 12a and the box 12b provided adjacent to the lower end of the fastener element row 30 of the right fastener tape 20. And a butterfly stick 12c that is provided adjacent to the box body 12b. Note that the separation fitting insert 12 may be a similar pair of bottom stoppers of the pair of top stoppers 11, or may be a bottom stopper that integrally connects the left and right fastener tapes 20. .

  Further, a reinforcing portion 12d for reinforcing the end portion of the fastener tape 20 to which the box bar 12a is attached is integrally extended from the box bar 12a toward the outer side in the width direction on the surface of the right fastener tape 20. Yes. Further, a reinforcing portion 12e for reinforcing the end portion of the fastener tape 20 to which the butterfly stick 12c is attached is integrally extended from the butterfly stick 12c toward the outer side in the width direction on the surface of the left fastener tape 20. Yes.

  Each of the left and right fastener element rows 30 is composed of a plurality of fastener elements 31. The fastener elements 31 are made of, for example, a synthetic resin such as polyamide, polyacetal, polypropylene, polybutylene terephthalate, and the like. The bent edge portion 20b is injection-molded.

  As shown in FIGS. 3 to 5, the fastener element 31 includes a base portion 32 having a C-shaped cross section that holds the core string 20 c on the bent edge portion 20 b side of the fastener tape 20, and an upper end of the base portion 32. A flat plate-like first tape holding portion 33 provided, a flat plate-like second tape holding portion 34 extending from the lower end of the base portion 32, and a meshing portion 35 formed in the second tape holding portion 34. And having.

  The meshing portion 35 includes a meshing head 35a extending from the base 32 toward the mating fastener tape 20 on the surface opposite to the tape clamping surface of the second tape clamping portion 34, and the base 32 and the meshing head 35a. And a neck portion 35b that is narrower than the meshing head portion 35a. Further, as shown in FIG. 4, the front end surface 34 a of the second tape holding unit 34 is configured to protrude slightly toward the mating fastener tape 20 than the front end surface 33 a of the first tape holding unit 33. ing.

  In the fastener element 31 configured in this manner, the right and left fastener elements 31 mesh with each other, so that the front end surface 33a of the first tape clamping portion 33 of one fastener element 31 and the first tape clamping portion of the other fastener element 31 are engaged. The left and right fastener tapes 20 are sandwiched between the distal end surface 33 a of 33. In addition, the part pinched | interposed between the front end surfaces 33a of the right and left 1st tape clamping part 33 of the right and left fastener tape 20 is called the clamping part 20d. Further, the thickness of the fastener tape 20 including the conductive layer 21 disposed in the sandwiched portion 20d is larger than the protruding amount of the distal end surface 34a of the second tape sandwiching portion 34 with respect to the distal end surface 33a of the first tape sandwiching portion 33. .

  As shown in FIG. 1, strip-shaped conductive layers 21 are provided on the surfaces of the left and right fastener tapes 20. As shown in FIG. 3, the conductive layer 21 is between the fastener element rows 30 formed between the upper stopper portion 11 and the opening / closing insert 12, and from one side edge of the fastener tape 20 to the other. It extends continuously in the width direction toward the side edge. A plurality of conductive layers 21 are provided along the longitudinal direction of the fastener tape 20. Furthermore, in this embodiment, as shown in FIG. 3, the conductive layer 21 extends to the surface of the sandwiched portion 20d of the left and right fastener tapes 20.

  Such left and right fastener tapes 20 are provided with conductive layers 21 at the same positions in the longitudinal direction, and in a state where the left and right fastener element rows 30 are engaged, between the engaged fastener element rows 30. The conductive layers 21 are in contact with each other and are electrically connected. Further, in a state where the left and right fastener element rows 30 are separated, the conductive layers 21 between the separated fastener element rows 30 are brought into a non-contact state with each other, and the electrical connection is cut.

  The conductive layer 21 is formed by applying a conductive paint to the fastener tape 20. The conductive layer 21 is not limited to the application of the conductive paint, and may be formed by attaching a conductive film or using a conductive yarn for the weft of the fastener tape 20. Further, the conductive layer 21 is not necessarily provided on the surface of the fastener tape 20, and may be in a state in which the conductive paint is immersed between tissues of a woven or knitted fastener tape, for example. Alternatively, a fastener tape in which the conductive layer 21 is sandwiched between two insulating films may be used.

  In the slide fastener 10 configured as described above, as shown in FIG. 6, by sliding the slider 40, the left and right fastener element rows 30 are engaged with each other and the conductive layers 21 of the left and right fastener tapes 20 are in contact with each other. And are electrically connected. For this reason, the electric signal sent to the conductive layer 21 of one fastener tape 20 is transmitted to the conductive layer 21 of the other fastener tape 20.

Next, the usage example of the slide fastener 10 of this embodiment is demonstrated.
For example, as shown in FIG. 1, it can be used for a sheet 50 of a medical bed. Specifically, the right fastener tape 20 of the slide fastener 10 is sewn to the side edge 51 of the sheet 50, and a plurality of sensors 52 installed in the sheet 50 and a plurality of conductive layers 21 of the right fastener tape 20 Are connected by conductive yarns 53, and the plurality of conductive layers 21 of the left fastener tape 20 and an external measuring device 54 are connected by a plurality of cables 55 for use. Therefore, by separating the slide fastener 10 to the left and right, the sheet 50 side and the measuring device 54 side can be easily separated, and by combining the slide fastener 10, the sheet 50 side and the measuring device 54 side can be separated. Can be easily connected. Further, since the slide fastener 10 can be handled in the same manner as a normal slide fastener, the sheet 50 can be washed by separating the slide fastener 10 into left and right.

  As described above, according to the slide fastener 10 of the present embodiment, in a state where the pair of left and right fastener tapes 20 are coupled to the surfaces of the pair of left and right fastener tapes 20 by the engagement of the pair of left and right fastener element rows 30. Since a plurality of strip-like conductive layers 21 continuous across the width direction of the pair of left and right fastener tapes 20 are provided, an electrical signal is stabilized from one fastener tape 20 to the other fastener tape 20 while suppressing an increase in manufacturing cost. Can be shed.

  Further, according to the slide fastener 10 of the present embodiment, since the conductive layer 21 is provided up to the surface of the sandwiched portion 20d of the left and right fastener tapes 20, the ends of the conductive layers 21 of the left and right fastener tapes 20 are brought into surface contact. And the electric signal can flow more stably. Particularly preferably, the thickness of the fastener tape 20 including the conductive layer 21 disposed in the sandwiched portion 20d is made larger than the protruding amount of the second tape holding portion 34, thereby allowing the electric signal to flow more stably. be able to.

  Further, according to the slide fastener 10 of the present embodiment, the conductive layer 21 is provided in the range of the fastener element row 30 in the longitudinal direction of the fastener tape 20, so that the conductive layer 21 can be easily formed by operating the slider 40. It can be in a contact state or a non-contact state.

  Further, according to the slide fastener 10 of the present embodiment, the conductive layer 21 is provided with a gap between at least two fastener elements 31 in the longitudinal direction of the fastener tape 20, and the conductive layer 21 is electrically connected. Therefore, electrical signals having different information can be connected and disconnected by operating one slide fastener 10.

  In addition, according to the slide fastener 10 of the present embodiment, the conductive layer 21 is fixed to the fastener tape 20, and the fastener tape 20 is an insulator, so that the electric current is transferred from one fastener tape 20 to the other fastener tape 20. Signals can be flowed easily and stably.

  Note that the present invention only needs to have a configuration in which the left and right conductive layers 21 are in contact with each other when the left and right fastener element rows 30 of the slide fastener 10 are engaged with each other. For example, as a first modification of the present embodiment, As shown in FIG. 7, the conductive layer 21 may not be provided up to the surface of the sandwiched portion 20 d of the left and right fastener tapes 20.

  As a second modification of the present embodiment, a metal fastener element 61 may be used instead of the resin fastener element 31 as shown in FIG. The fastener element 61 includes a base portion 62 having a C-shaped cross section that holds the core cord 20c of the bent edge portion 20b of the fastener tape 20 and a flat plate-like first tape extending from the upper end of the base portion 62. Part 63, a flat plate-like second tape clamping part 64 extending from the lower end of the base part 62, and a meshing part 65 formed on the second tape clamping part 64 and having a meshing head 65a. .

  In addition, a pressing portion 66 that sandwiches the left and right fastener tapes 20 between the mating fastener elements 61 is formed at the distal end portion of the first tape clamping portion 63. Accordingly, when the left and right fastener elements 61 are engaged, the left and right fastener tapes 20 are placed between the pressing surface 66a of the pressing portion 66 of one fastener element 61 and the pressing surface 66a of the pressing portion 66 of the other fastener element 61. It is caught.

  As a third modification of the present embodiment, a coil-like fastener element 71 may be used instead of the resin fastener element 31 as shown in FIG. The fastener element 71 includes a meshing head 71a, an upper leg 71b extending from the upper end of the meshing head 71a to the outside in the width direction, a lower leg 71c extending from the lower end of the meshing head 71a to the outside in the width direction, 71 d of connection parts which connect the width direction outer end part of the leg part 71b and the width direction outer end part of the lower leg part 71c of the fastener element 71 adjacent to the leg part 71b. Then, the fastener element 71 is sewn to the bent edge portion 20b of the fastener tape 20 by the sewing thread 73 together with the core string 72 passed through the fastener element 71.

In addition, this invention is not limited to what was illustrated to the said embodiment, In the range which does not deviate from the summary of this invention, it can change suitably.
For example, in the present embodiment, the left and right slide fastener element rows are meshed using a slider, but the present invention is not limited to this, and the left and right slide fastener element rows may be meshed manually without using a slider. .

  Moreover, in this embodiment, although the conductive layer 21 is continuously provided over the width direction of the right and left fastener tape 20, it is not limited to this, For example, the conductive layer 21 is the left and right fastener tape 20 In addition to the width direction, it may partially extend vertically. Further, the conductive layer 21 may be electrically connected to the outside from the middle without extending to the widthwise ends of the left and right fastener tapes 20.

  Moreover, it is not limited to the usage example of this embodiment, In accordance with the engagement / separation of the slide fastener 10, the conductive layer 21 provided on the left and right fastener tapes 20 is configured to connect / disconnect an electrical signal, The slide fastener 10 can be used as a connector member.

DESCRIPTION OF SYMBOLS 10 Slide fastener 12 Opening / closing insertion tool 20 Fastener tape 20a Tape side edge part 20b Bending edge part 20c Core string 20d Clamping part 21 Conductive layer 30 Fastener element row | line | column 31 Fastener element 32 Base part 33 1st tape clamping part 33a Front end surface 34 Second tape clamping part 35 Engagement part 40 Slider 61 Fastener element 71 Fastener element

Claims (11)

A pair of fastener tapes (20);
A plurality of fastener elements (31, 31) are provided on the respective bent edges (20b) formed by bending the opposing tape side edges (20a) of the pair of fastener tapes toward the back side of the fastener tape. A pair of fastener element rows (30) having 61, 71),
At least one conductive layer (21) extending in the width direction of the pair of fastener tapes is provided on the pair of fastener tapes in a state where the pair of fastener tapes is coupled by meshing the pair of fastener element rows. A slide fastener characterized by   The slide fastener according to claim 1, wherein the conductive layer (21) is continuously provided across a width direction of the pair of fastener tapes (20).   The slide fastener according to claim 1 or 2, further comprising a slider (40) for meshing and separating the pair of fastener element rows (30).   The slide fastener according to claim 3, wherein a separation / insertion tool (12) is provided at a lower end portion of the pair of fastener element rows (30).   The slide fastener according to any one of claims 1 to 4, wherein the fastener element (31) is integrally formed with the fastener tape (20) by resin injection molding. The fastener element (31) includes a base portion (32) having a C-shaped cross section that holds the core string (20c) of the bent edge portion (20b), and a flat plate shape extending from the top end of the base portion. The first tape holding portion (33), a flat plate-like second tape holding portion (34) extending from the lower end of the base portion, and a meshing portion (35) formed in the second tape holding portion. ) And
The pair of fastener tapes (20) is between the front end surface (33a) of the first tape holding portion of one of the fastener elements and the front end surface (33a) of the first tape holding portion of the other fastener element. Sandwiched,
The slide fastener according to any one of claims 1 to 5, wherein the conductive layer (21) is provided up to a surface of the sandwiched portion (20d) of the pair of fastener tapes.   The said conductive layer (21) is provided in the range of the said fastener element row | line | column (30) in the longitudinal direction of the said fastener tape (20), The any one of Claims 1-6 characterized by the above-mentioned. Slide fastener.   The conductive layer (21) is provided with an interval between at least two fastener elements (31, 61, 71) in the longitudinal direction of the fastener tape (20), and the conductive layer (21). The slide fastener according to claim 7, wherein the gap is in an electrically non-contact state. The conductive layer (21) is fixed to the fastener tape (20),
The slide fastener according to claim 1, wherein the fastener tape is an insulator.   The slide fastener according to any one of claims 1 to 9, wherein the conductive layer (21) is formed by applying a conductive paint to the fastener tape (20). A connector member using the slide fastener according to any one of claims 1 to 10,
In a state where the pair of fastener element rows (30) is engaged, the conductive layer (21) of the pair of fastener tapes (20) is electrically connected to transmit an electrical signal,
In the state where the pair of fastener element rows are separated, the electrical connection of the conductive layer (21) of the pair of fastener tapes (20) is cut off.

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