WO2012164799A1 - 防水通音部材およびその製造方法、ならびに防水通音部材担持体 - Google Patents
防水通音部材およびその製造方法、ならびに防水通音部材担持体 Download PDFInfo
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- WO2012164799A1 WO2012164799A1 PCT/JP2012/002263 JP2012002263W WO2012164799A1 WO 2012164799 A1 WO2012164799 A1 WO 2012164799A1 JP 2012002263 W JP2012002263 W JP 2012002263W WO 2012164799 A1 WO2012164799 A1 WO 2012164799A1
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- WIPO (PCT)
- Prior art keywords
- waterproof sound
- tab
- permeable membrane
- permeable
- adhesive layer
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
- H04R1/086—Protective screens, e.g. all weather or wind screens
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1476—Release layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/149—Sectional layer removable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
Definitions
- the present invention relates to a waterproof sound-permeable member in which a tab is bonded to a waterproof sound-permeable film for a housing of an electronic device having an acoustic device such as a speaker and a microphone, and a method for manufacturing the same. Moreover, this invention relates to the waterproof sound-permeable member carrier which is the aspect by which the release paper was adhere
- an audio device is housed in a casing.
- These housings have openings for allowing the passage of sound.
- a waterproof sound-permeable membrane that prevents passage of water while allowing sound to pass through the opening is attached.
- Patent Document 1 discloses a protective cover assembly including the above waterproof sound-permeable membrane.
- Patent Document 2 in order to facilitate the work of attaching the waterproof sound-permeable membrane to the housing, a tab that can be peeled off after the waterproof sound-permeable membrane is attached to the housing is provided on the waterproof sound-permeable membrane.
- This tab has an overhanging portion protruding from the waterproof sound-permeable membrane. The overhang portion formed in this way is easy to grasp. Therefore, the waterproof sound-permeable membrane to which the tab of Patent Document 2 is bonded can be easily attached to the housing. Further, by using such a tab, it is not necessary to directly touch the waterproof sound-permeable membrane itself when the waterproof sound-permeable membrane is attached to the housing, so that the risk of damaging the waterproof sound-permeable membrane is reduced.
- Patent Document 2 describes a waterproof sound-permeable member carrier having a waterproof sound-permeable membrane (waterproof sound-permeable member) to which a tab is bonded on a release paper.
- the waterproof sound-permeable membrane in the waterproof sound-permeable member carrier When attaching the waterproof sound-permeable membrane in the waterproof sound-permeable member carrier to the housing, first, the waterproof sound-permeable member is pulled by pulling the protruding portion of the tab in the waterproof sound-permeable member carrier in the direction opposite to the release paper. The membrane is peeled from the release paper, then the waterproof sound-permeable membrane is attached to the housing, and finally the tab is peeled from the waterproof sound-permeable membrane by pulling the protruding portion of the tab in the direction opposite to the housing.
- JP 2008-245332 A Japanese Unexamined Patent Publication No. 2009-111993
- An object of this invention is to provide the manufacturing method of the waterproof sound-permeable member suitable for such a waterproof sound-permeable member carrier.
- the waterproof sound-permeable member carrier In order to produce the waterproof sound-permeable member carrier as described above, from the viewpoint of productivity, first, materials of members other than tabs in the waterproof sound-permeable member carrier are sequentially laminated on release paper to produce a laminate. Then, it is conceivable to punch out members other than the release paper in the laminate from the opposite side of the release paper toward the release paper, and finally attach a tab.
- the protruding portion of the tab of the waterproof sound-permeable member carrier thus manufactured is pulled, the waterproof sound-permeable membrane does not peel from the release paper, and the tab is waterproof. There was a case of peeling from the sound membrane.
- the inventors of the present invention have found that the adhesive strength on the tab side is improved by including the tab material in the above-described laminate and punching the laminate toward the tab as opposed to the above method.
- the present invention has been made from such a viewpoint.
- the present invention provides a waterproof sound-permeable membrane attached to a housing having a hole that allows passage of sound, and the waterproof sound-permeable membrane provided on the waterproof sound-permeable membrane, after the waterproof sound-permeable membrane is attached to the housing Is a tab to be peeled off, and is a method of manufacturing a waterproof sound-permeable member comprising a tab having an overhanging portion projecting from the waterproof sound-permeable membrane, wherein the waterproof sound-permeable membrane is bonded to the housing A first layer including a first adhesive layer, a membrane preliminary including the waterproof sound-permeable membrane, and a second adhesive layer including a second adhesive layer for adhering the tab to the waterproof sound-permeable membrane.
- a method for manufacturing a waterproof sound-permeable member which includes a step of forming a tab, and a step of cutting the tab preliminary body to form the tab.
- the present invention is also provided with a waterproof sound-permeable membrane attached to a housing having a hole that allows passage of sound, and provided on one side of the waterproof sound-permeable membrane, and bonds the waterproof sound-permeable membrane to the housing A first adhesive layer, a second adhesive layer provided on the other side of the waterproof sound-permeable membrane, and a second adhesive layer provided on the second adhesive layer, wherein the waterproof sound-permeable membrane is attached to the housing A tab which is peeled after being bonded, and has a protruding portion protruding from the waterproof sound-permeable membrane, and the first adhesive layer side surface of the tab is provided with the first adhesive layer.
- a waterproof sound-permeable member in which an adhesive layer, a waterproof sound-permeable membrane, and a notch continuous with end surfaces of the second adhesive layer are formed so as to define the overhanging portion.
- the adhesive force between the tab and the waterproof sound-permeable membrane is improved. Therefore, if the waterproof sound-permeable member manufactured by the manufacturing method of the present invention is supported on the release paper, the waterproof sound-permeable member is surely peeled from the release paper when the tab protruding portion is pulled.
- the waterproof sound-permeable member of the present invention is suitable for a mode of being carried on a release paper.
- FIG. 2 is a diagram for explaining a method of using the waterproof sound-permeable member carrier shown in FIG. 1, and (A) to (E) show scenes when the waterproof sound-permeable member carrier is used.
- FIG. 2 is a diagram for explaining a manufacturing method of the waterproof sound-permeable member carrier shown in FIG. 1, and (A) to (G) show scenes of the manufacturing process of the waterproof sound-permeable member carrier.
- FIG. 8 is a view for explaining a modification of the method for manufacturing the waterproof sound-permeable member carrier shown in FIG. 1, and (A) to (H) show each scene of the manufacturing process of the waterproof sound-permeable member carrier.
- FIG. 1A is a cross-sectional view illustrating an example of a waterproof sound-permeable member carrier including a waterproof sound-permeable member manufactured by a manufacturing method according to an embodiment of the present invention.
- FIG. 1B is a top view of the waterproof sound-permeable member carrier.
- a waterproof sound-permeable member carrier 1 shown in FIG. 1 includes a waterproof sound-permeable member 2 and a release paper 14, and a first space 31 and a second space 32 are formed therein.
- the waterproof sound-permeable member 2 is bonded to the release paper 14 on one surface of the first adhesive layer 21.
- one waterproof sound-permeable member 2 is provided for one release paper 14, but the release paper 14 may be shared by a large number of waterproof sound-permeable members 2.
- the waterproof sound-permeable member 2 includes a waterproof sound-permeable film 11, a support layer 12, and a tab 13.
- the support layer 12 is bonded to the waterproof sound-permeable membrane 11 by the intermediate adhesive layer 25, and the tab 13 is bonded to the support layer 12 by the second adhesive layer 22.
- Tab 13 has a larger rectangular outer contour.
- the waterproof sound-permeable membrane 11, the support layer 12, and the tab 13 may have outer shapes of other shapes such as a circle.
- the waterproof sound-permeable membrane 11 is a membrane that blocks passage of foreign matters such as liquid and dust while allowing passage of sound.
- the material of the waterproof sound-permeable membrane 11 examples include polymer materials. Suitable polymer materials that constitute the waterproof sound-permeable membrane 11 include polyethylene (PE), polyimide (PI), polypropylene (PP), polyethylene terephthalate (PET), and polytetrafluoroethylene (PTFE).
- the waterproof sound-permeable membrane 11 preferably contains fluorine (made of a fluororesin), and polytetrafluoroethylene is particularly suitable as a material constituting the waterproof sound-permeable membrane 11.
- the waterproof sound-permeable membrane 11 has a film form.
- the waterproof sound-permeable membrane 11 may have a non-woven form, and may be configured by collecting nanofibers.
- the waterproof sound-permeable membrane 11 may be subjected to water repellent treatment.
- the support layer 12 increases the rigidity of the waterproof sound-permeable member 2 by being bonded to the waterproof sound-permeable film 11. That is, the support layer 12 has an effect of stabilizing the shape of the waterproof sound-permeable member 2.
- the support layer 12 is formed in a frame shape. Further, the thickness of the support layer 12 can be appropriately adjusted based on the dimensions of the housing to which the waterproof sound-permeable member 2 is attached.
- the material of the support layer 12 examples include polymer materials such as polyethylene (PE), polyimide (PI), polypropylene (PP), and polyethylene terephthalate (PET).
- a polymer foam having cushioning properties for example, PORON
- the support layer 12 has a film form.
- the support layer 12 is bonded to the waterproof sound-permeable membrane 11 by the intermediate adhesive layer 25, but the support layer 12 may be directly bonded to the waterproof sound-permeable membrane 11.
- the support layer 12 can be directly bonded to the waterproof sound-permeable membrane 11.
- the support layer 12 is provided on the tab 13 side when viewed from the waterproof sound-permeable membrane 11, but the support layer 12 is provided on the side opposite to the tab 13 when viewed from the waterproof sound-permeable membrane 11. May be.
- the support layer 12 may be omitted depending on the rigidity and other characteristics required for the waterproof sound-permeable member 2.
- the tab 13 acts as a grip for handling the waterproof sound-permeable member 2.
- the tab 13 is peeled from the waterproof sound-permeable membrane 11 (more precisely, from the support layer 12).
- the tab 13 is provided on the waterproof sound-permeable membrane 11 so as to have an overhang portion 13 t that protrudes from the waterproof sound-permeable membrane 11.
- a notch 13n is formed on the surface of the tab 13 on the second adhesive layer 22 side so as to partition the protruding portion 13t. In other words, the notch 13n extends along the boundary line between the portion of the tab 13 other than the overhang portion 13t and the overhang portion 13t.
- FIG. 2 is a top view when the waterproof sound-permeable member carrier 1 is observed from the tab 13 side.
- the tab 13 may be provided on the waterproof sound-permeable membrane 11 so that the overhang portion 13t is formed in one direction of the tab 13 (FIG. 2A).
- the tab 13 may be provided on the waterproof sound-permeable membrane 11 so that the overhanging portion 13t is formed in two directions of the tab 13 (FIG. 2B).
- the tab 13 may be provided on the waterproof sound-permeable membrane 11 so that the overhang portion 13t is formed in the three directions of the tab 13 (FIG. 2C).
- the tab 13 has a waterproof sound-permeable membrane so that the overhang portion 13t is formed in four directions (peripheries) of the tab 13 (so that the overhang portion 13t forms a frame shape surrounding the waterproof sound-permeable membrane 11).
- 11 may be provided (FIG. 2D).
- the tab 13 may be provided on the waterproof sound-permeable membrane 11 so as to cover a part of the waterproof sound-permeable membrane 11 (so that a part of the waterproof sound-permeable membrane 11 protrudes from the tab 13). (FIG. 2 (E)). 2A to 2E, each side of the tab 13 and each side of the waterproof sound-permeable membrane 11 are parallel to each other.
- the tab 13 may be provided on the waterproof sound-permeable membrane 11 so that each side forms a predetermined angle ⁇ (0 ° ⁇ ⁇ 90 °) (FIG. 2 (F)). Further, depending on the shape of the tab 13 and the waterproof sound-permeable membrane 11, the protruding portion 13 t of the tab 13 may form an annular shape surrounding the waterproof sound-permeable membrane 11. From the viewpoint of ease of manufacture, it is preferable to provide the tab 13 as shown in FIG. In addition, when the tab 13 is provided as shown in FIGS. 2A to 2D, an adhesive force between the tab 13 and the waterproof sound-permeable membrane 11 can be secured, and handling becomes easy.
- the notch 13n is formed so as to be continuous with the end surfaces of the first adhesive layer 21, the waterproof sound-permeable membrane 11, the intermediate adhesive layer 25, the support layer 12, and the second adhesive layer 22. Further, the notch 13n is, for example, a V-shape (a symmetric V-shape may be used in a cross section parallel to the thickness direction of the waterproof sound-permeable membrane 11, and the V 13 is biased toward the center side or the peripheral side of the tab 13. (It may be a letter shape). Further, when viewed from the thickness direction of the waterproof sound-permeable membrane 11, the notch 13n may be linear (FIG. 2A) or L-shaped (FIG. 2B). ), May be U-shaped (FIGS. 2C and 2E), and may be U-shaped (FIGS. 2D and 2F). In the present embodiment, both surfaces of the tab 13 are flat except for a portion where the notch 13n is formed.
- the material of the tab 13 includes a polymer material and a metal. Suitable polymer materials constituting the tab 13 include polyethylene (PE), polyimide (PI), polypropylene (PP), polyethylene terephthalate (PET), and polytetrafluoroethylene (PTFE). As the material of the tab 13, a polymer foam having cushioning properties can also be adopted. In the present embodiment, the tab 13 has a film form. Moreover, the tab 13 may have the aspect of a nonwoven fabric, and may be comprised by concentrating nanofiber. The tab 13 may be subjected to water repellent treatment.
- the mold release process is a process of coating a polymer having a low wettability to the adhesive (release agent).
- the polymer used for the mold release treatment include a silicone-based polymer.
- coating is illustrated as a coating method.
- the thickness of the tab 13 is preferably 0.001 mm to 1 mm.
- the depth of the notch 13n is preferably 1% to 95% of the thickness of the tab 13, for example.
- the release paper 14 is a flat sheet. A release treatment is applied to the surface of the release paper 14 of the present embodiment on the waterproof sound-permeable membrane 11 side. When attaching the waterproof sound-permeable membrane 11 to an external housing, the waterproof sound-permeable member 2 is peeled from the release paper 14. Note that the material of the tab 14 may be adopted as the material of the release paper 14.
- Examples of the first adhesive layer 21, the second adhesive layer 22, and the intermediate adhesive layer 25 include an adhesive tape using an acrylic or silicone adhesive. In the present embodiment, these have the same frame shape as the support layer 12.
- the waterproof sound-permeable member carrier 1 described with reference to FIG. 1 is prepared (FIG. 3A).
- the protruding portion 13t of the tab 13 in the waterproof sound-permeable member carrier 1 is pulled in the direction opposite to the release paper 14, and the waterproof sound-permeable member 2 is peeled from the release paper 14 (FIG. 3B).
- the waterproof sound-permeable member 2 is attached to the housing 40 (FIG. 3C).
- the first adhesive layer 21 by forming the first adhesive layer 21 into a hollow shape, the first space 31 is formed on one side of the waterproof sound-permeable membrane 11, and the intermediate adhesive layer 25 and the support layer 12 are formed. And the 2nd space 32 is formed in the other surface side of the waterproof sound-permeable membrane 11 by making the shape of the 2nd contact bonding layer 22 into a hollow shape (FIG. 1 and FIG. 3 (A)).
- FIG. 3E when the waterproof sound-permeable membrane 11 is attached to the housing 40, the internal space of the housing 40 and the first space 31 are continuous with the second space 32.
- the external space is continuous, and the internal space of the housing 40 and the external space are separated by only the waterproof sound-permeable membrane 11 that allows the passage of sound and prevents the passage of liquid. That is, in the present embodiment, the first adhesive layer 21, the intermediate adhesive layer 25, the support layer 12, and the second adhesive layer 22 are formed in a hollow shape, so that the space from the external space to the internal space of the housing 40 can be obtained. While preventing the arrival of the liquid, a configuration is obtained that allows the sound to pass between the internal space and the external space of the housing 40 satisfactorily.
- these shapes do not necessarily have to be hollow. For example, if these materials are selected from materials that do not easily block the passage of sound, good sound traffic between the internal space and the external space of the housing 40 can be achieved without making the shape of these materials hollow. Can be secured.
- the tab preliminary body 63 is laminated in this order to produce a laminated body 52a (FIG. 4A).
- the first layer 71, the membrane preliminary body 61, the intermediate layer 75, the support layer preliminary body 62, the second layer 72, and the tab preliminary body 63 are respectively the first adhesive layer 21, the waterproof sound-permeable membrane 11, and the intermediate adhesive layer. 25, the support layer 12, the second adhesive layer 22, and the tab 13 can be cut out.
- a blade 90 (Thomson type in the present embodiment) is inserted from the first layer 71 of the laminated body 52a toward the tab preliminary body 63 (FIG. 4B).
- the first layer 71, the membrane preliminary body 61, the intermediate layer 75, the support layer preliminary body 62, and the second layer 72 are punched out (cut), and the first adhesive layer 21, the waterproof sound-permeable membrane 11 is cut.
- the intermediate adhesive layer 25, the support layer 12, and the second adhesive layer 22 are formed.
- the notch 13 n is formed in the tab preliminary body 63 by inserting the blade 90 to a predetermined depth of the tab preliminary body 63.
- unnecessary portions are removed from the stacked body 52a to obtain a stacked body 52b (FIG. 4C).
- the tab preliminary body 63 is continuous with the end surfaces of the first adhesive layer 21, the waterproof sound-permeable membrane 11, the intermediate adhesive layer 25, the support layer 12, and the second adhesive layer 22.
- a notch 13n is provided.
- the tab preliminary body 63 of the laminated body 52b is cut with a blade 91 (Thomson type in this embodiment) so as to leave a portion protruding from the waterproof sound-permeable membrane 11 (FIG. 4D).
- a blade 91 Torque type in this embodiment
- a tab 13 having a frame-like protruding portion 13t is formed, and the waterproof sound-permeable member 2 is produced (FIG. 4E).
- the waterproof sound-permeable member carrier in which the same members as the members constituting the waterproof sound-permeable member carrier 1 of the present embodiment are stacked in the same order, first, the material of the members other than the tab in the waterproof sound-permeable member carrier Laminate in order on the release paper to make a laminate, then punch out the members other than the release paper in the laminate from the opposite side of the release paper to the release paper, and finally stick a tab of a predetermined shape When manufactured by this (comparative form), a notch is not formed in a tab.
- the notch 13n is formed in the tab 13 (tab preliminary body 63).
- the second layer 72 is pulled by the blade 90 when the notch 13n is formed, a part of the second adhesive layer 22 to be formed is pushed into the notch 13n. It is thought that it becomes. That is, in the waterproof sound-permeable member carrier 1 produced by the manufacturing method of the present embodiment, the portion of the second adhesive layer 22 that is pushed into the notch 13n is also bonded between the tab 13 and the waterproof sound-permeable membrane 11. Since this contributes to the force (more specifically, the adhesive force between the tab 13 and the support layer 12), the adhesive force between the tab 13 and the waterproof sound-permeable membrane 11 is improved as compared with the comparative embodiment. It is thought that.
- the first layer 71 is processed in advance so that the first layer 71 has a hollow shape.
- the first space 31 is formed after the stacked body 52a is manufactured.
- the support body preliminary body 62, the intermediate layer 75, and the second layer 72 are processed in advance so as to have a hollow shape before the laminated body 52a is produced.
- a second space 32 is formed.
- other methods may be employed to form the first space 31 and the second space 32.
- a laminated body having a shape similar to that of the laminated body 52a is manufactured by forming a laminated body from a solid material, punching out a part of the obtained laminated body, and finally attaching a tab preliminary body. You can also.
- the material constituting the laminated body is selected from materials that do not easily block the passage of sound, it is not always necessary to form spaces corresponding to the first space 31 and the second space 32 in the laminated body. .
- the tab preliminary body 63 of the laminated body 52b is cut so as to leave a portion protruding from the waterproof sound-permeable membrane 11 (so that the formed tab 13 does not protrude from the waterproof sound-permeable membrane 11).
- a projecting portion 13t having a frame shape surrounding the waterproof sound-permeable membrane 11 is formed, but the waterproof sound-permeable membrane 11 is projected from a part of the formed tab 13 to the tab preliminary body 63. It may be cut. That is, the tab preliminary body 63 may be cut so that the notch 13n is maintained at least in part and the protruding portion 13t defined by the maintained notch 13n is formed.
- the support layer preliminary body 62 is provided on the tab preliminary body 63 side when viewed from the membrane preliminary body 61, but the support layer preliminary body 62 is viewed from the membrane preliminary body 61. You may provide in the other side. Further, depending on the waterproof sound-permeable member carrier to be manufactured, the support layer preliminary body 62 may be omitted.
- the cutting edge of the blade 90 has, for example, a V shape (a symmetric V shape or a biased V shape). The same applies to the blade 91.
- the blade 91 is inserted into the tab preliminary body 63 from the surface on the second adhesive layer 22 side toward the surface on the opposite side of the second adhesive layer 22.
- the tab preliminary body 63 is processed into the tab 13, but by inserting the blade 91 from the surface on the opposite side of the second adhesive layer 22 toward the surface on the second adhesive layer 22 side, the tab preliminary body 63. May be processed into a tab 13.
- support is carried out by making the waterproof sound-permeable member 2 adhere
- the waterproof sound-permeable member carrier 1 may be produced by processing the preliminary tab 63 into the tab 13 after bonding the release paper 14 to the laminate 52b.
- a release paper 14 ⁇ similar to the release paper 14, a first layer 71, a membrane preliminary body 61, an intermediate layer 75, The support layer preliminary body 62, the second layer 72, and the tab preliminary body 63 may be stacked in this order to produce a stacked body 52 ⁇ (FIG. 5A).
- the laminated body 52 ⁇ is obtained by punching the release paper 14 ⁇ by inserting the blade 90 into the laminated body 52 ⁇ as in the present embodiment (FIG. 5B).
- the stacked body 52 ⁇ can be processed (FIG. 5E).
- the waterproof sound-permeable member 2 is obtained by peeling the release paper 14 ⁇ from the waterproof sound-permeable membrane 11 (FIG. 5F), and the release paper 14 is adhered to the waterproof sound-permeable member 2 (FIG. 5). (G)), the waterproof sound-permeable member carrier 1 can be produced (FIG. 5H).
- the first layer 71 and the first adhesion are produced after the laminate 52 ⁇ is produced until the release paper 14 ⁇ is peeled from the waterproof sound-permeable membrane 11.
- the main surface (widest surface) of the layer 21 is not exposed. Therefore, if this manufacturing method is adopted, it is possible to reduce the possibility that foreign matters such as dust adhere to the first layer 71 and the first adhesive layer 21 during the manufacture of the waterproof sound-permeable member carrier.
- a waterproof sound-permeable member carrier shown in FIG. 1 was produced. Specifically, first, double-sided tape A (Nitto Denko Corporation No. 5636), waterproof sound-permeable membrane (Nitto Denko Corporation NTF610AP), double-sided tape B (Nitto Denko Corporation No. 5605), and cushioning material (Roger Sinoac Co., Ltd., PORON SR-S-70P), double-sided tape C (Nitto Denko Co., Ltd. No. 5603), and tab (Nippa Co., Ltd., SS4 series A) are laminated in this order to obtain FIG. A laminate as shown in FIG.
- a blade is put from the double-sided tape A of the produced laminate toward the tab, and the double-sided tape A, the waterproof sound-permeable membrane, the double-sided tape B, the cushion material and the double-sided tape C are cut into a predetermined shape and the tab. By forming a notch, a laminate as shown in FIG. 4C was produced.
- a waterproof sound-permeable member including a tab having an overhanging portion as shown in FIG. 4E was produced.
- release paper (SS1 series A, manufactured by Nipper Co., Ltd.) was adhered to the produced waterproof sound-permeable member to produce a water-permeable member carrier as shown in FIG. 4 (G).
- a waterproof sound-permeable member carrier was manufactured according to the embodiment.
- a waterproof sound-permeable member carrier in which the same materials as in the example were laminated in the same order was produced.
- release paper, double-sided tape A, waterproof sound-permeable membrane, double-sided tape B, cushion material and double-sided tape C are laminated to produce a laminate, and then peeled from the opposite side of the release paper A member other than the release paper in the laminate was punched out toward the paper, and finally a tab having a predetermined shape was pasted (that is, following the comparative form) to produce a waterproof sound-permeable member carrier.
- the waterproof sound-permeable member carrier of the example the waterproof sound-permeable member could be easily peeled from the release paper by pulling the protruding portion of the tab.
- the tab could be easily peeled off from the cushion material by pulling the protruding portion of the tab.
- the waterproof sound-permeable member carrier of the comparative example when the protruding portion of the tab was pulled, the waterproof sound-permeable member was not peeled off from the release paper, and the tab was peeled off from the waterproof sound-permeable membrane.
- the waterproof sound-permeable member of the present invention can be suitably used when the waterproof sound-permeable membrane is attached to an electronic device such as a mobile phone, a cordless phone, and a digital camera.
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Abstract
Description
Claims (6)
- 音の通過を許容する孔を有する筐体に取り付けられる防水通音膜と、前記防水通音膜上に設けられ、前記防水通音膜が前記筐体に取り付けられた後には剥離されるタブであって、前記防水通音膜から張り出した張出部を有するタブと、を備える防水通音部材の製造方法であって、
前記防水通音膜を前記筐体に接着するための第1の接着層を含む第1の層と、前記防水通音膜を含む膜予備体と、前記タブを前記防水通音膜に接着するための第2の接着層を含む第2の層と、前記タブを含むタブ予備体と、をこの順に積層して積層体を作製する工程と、
前記積層体の前記第1の層から前記タブ予備体に向かって刃を入れ、前記第1の層、前記膜予備体および前記第2の層を切断して前記第1の接着層、前記防水通音膜および前記第2の接着層を形成するとともに、前記タブ予備体における前記第2の層側の面に前記第1の接着層、前記防水通音膜および前記第2の接着層の端面と連続するノッチを設ける工程と、
前記タブ予備体を切断して前記タブを形成する工程と、
を含む、
防水通音部材の製造方法。 - 音の通過を許容する孔を有する筐体に取り付けられる防水通音膜と、
前記防水通音膜の一方面側に設けられ、前記防水通音膜を前記筐体に接着するための第1の接着層と、
前記防水通音膜の他方面側に設けられた第2の接着層と、
前記第2の接着層上に設けられ、前記防水通音膜が前記筐体に接着された後には剥離されるタブであって、前記防水通音膜から張り出した張出部を有するタブと、を備え、
前記タブの前記第2の接着層側の面には前記第1の接着層、前記防水通音膜および前記第2の接着層の端面と連続するノッチが、前記張出部を区画するように形成されている、
防水通音部材。 - 前記張出部は、前記防水通音膜を取り囲む環状または枠状をなしている、請求項2に記載の防水通音部材。
- 前記防水通音膜は、フッ素樹脂からなる、請求項2に記載の防水通音部材。
- 前記フッ素樹脂は、ポリテトラフルオロエチレンである、請求項4に記載の防水通音部材。
- 請求項2~5のいずれか一項に記載の防水通音部材と、前記第1の接着層により前記防水通音膜に接着された、前記防水通音膜側の面に離型処理が施されている剥離紙と、を含む、防水通音部材担持体。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/818,256 US8986802B2 (en) | 2011-06-01 | 2012-04-02 | Water-proof sound-transmitting member and method for producing same, and supported water-proof sound-transmitting member |
CN201280003621.4A CN103202036B (zh) | 2011-06-01 | 2012-04-02 | 防水透声构件及其制造方法、以及防水透声构件负载体 |
KR1020137008760A KR20140018840A (ko) | 2011-06-01 | 2012-04-02 | 방수 통음 부재 및 그 제조 방법, 및 방수 통음 부재 담지체 |
EP12793650.8A EP2717596B1 (en) | 2011-06-01 | 2012-04-02 | Water-resistant sound transmitting member, production method therefor, and water-resistant sound transmitting member carrier |
Applications Claiming Priority (2)
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JP2011-123183 | 2011-06-01 | ||
JP2011123183A JP5687565B2 (ja) | 2011-06-01 | 2011-06-01 | 防水通音部材およびその製造方法、ならびに防水通音部材担持体 |
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PCT/JP2012/002263 WO2012164799A1 (ja) | 2011-06-01 | 2012-04-02 | 防水通音部材およびその製造方法、ならびに防水通音部材担持体 |
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US (1) | US8986802B2 (ja) |
EP (1) | EP2717596B1 (ja) |
JP (1) | JP5687565B2 (ja) |
KR (1) | KR20140018840A (ja) |
CN (1) | CN103202036B (ja) |
TW (1) | TW201304559A (ja) |
WO (1) | WO2012164799A1 (ja) |
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CN103202036A (zh) | 2013-07-10 |
KR20140018840A (ko) | 2014-02-13 |
US20130156985A1 (en) | 2013-06-20 |
EP2717596A4 (en) | 2014-11-26 |
US8986802B2 (en) | 2015-03-24 |
JP5687565B2 (ja) | 2015-03-18 |
TW201304559A (zh) | 2013-01-16 |
EP2717596A1 (en) | 2014-04-09 |
JP2012253480A (ja) | 2012-12-20 |
CN103202036B (zh) | 2016-09-28 |
EP2717596B1 (en) | 2015-08-12 |
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