Abstract: A tank includes: a first housing configured to include a first inner surface and a first peripheral edge projecting from the first inner surface; a second housing configured to include a second inner surface and a second peripheral edge, the second inner surface facing the first inner surface, the second peripheral edge projecting from the second inner surface and facing the first peripheral edge; and a sticky elastic body inside the first and second peripheral edge, wherein the first peripheral edge has a first inclined surface inclined from inside to outside from the first inner surface toward a first projecting end of the first peripheral edge, the second peripheral edge has a second inclined surface inclined from inside to outside from the second inner surface toward a second projecting end of the second peripheral edge, and the elastic body is stuck to the first and second inclined surface.

Abstract: A waterproof lid includes: a lid body; and a sealant made of rubber and including a first portion which adheres to the lid body and a second portion is in contact with the lid body in a non-adhesive state.

Abstract: A waterproof lid includes: a lid body; and a sealant made of rubber and including a first portion which adheres to the lid body and a second portion is in contact with the lid body in a non-adhesive state.

Abstract: A waterproof apparatus includes a case having a communication hole that allows an inside and an outside of the case to communicate with each other, and a waterproof cap that closes the communication hole, wherein a first contact surface and a second contact surface extend in the communication hole and at different levels, wherein the waterproof cap includes a plate-like first elastic member that is longer than the communication hole in a long-side direction of the communication hole, and a second elastic member attached to a surface of the first elastic member, the surface facing the communication hole, and wherein when the first elastic member that is in a bent state is brought into contact with the first contact surface, the waterproof cap is retained on an inner wall of the communication hole with a restoring force exerted by the first elastic member.

Abstract: A waterproof apparatus includes a case having a communication hole that allows an inside and an outside of the case to communicate with each other, and a waterproof cap that closes the communication hole, wherein a first contact surface and a second contact surface extend in the communication hole and at different levels, wherein the waterproof cap includes a plate-like first elastic member that is longer than the communication hole in a long-side direction of the communication hole, and a second elastic member attached to a surface of the first elastic member, the surface facing the communication hole, and wherein when the first elastic member that is in a bent state is brought into contact with the first contact surface, the waterproof cap is retained on an inner wall of the communication hole with a restoring force exerted by the first elastic member.

Abstract: An electronic device includes a first housing component including a side wall portion surrounding an electronic component; a concave portion provided in the side wall portion of the first housing component; a second housing component whose edge portion is arranged on the side wall portion of the first housing component; a seal member which has elasticity and waterproofness and which is arranged between the side wall portion of the first housing component and the edge portion of the second housing component; and a fixing component which includes a first claw portion that comes into contact with an upper surface of the edge portion of the second housing component and a second claw portion that fits into the concave portion of the side wall portion of the first housing component and which fixes the second housing component onto the first housing component by the first claw portion.

Abstract: An electronic device includes: a case including a wall portion including an opening, and a pair of longitudinal grooves, wherein each of the longitudinal grooves includes a first groove portion that is disposed with the opening between the first groove portions; a second groove portion that is contiguous to the first groove portion through an inclined groove wall; a lid that moves along the longitudinal grooves, and that is brought closer to the wall portion by the inclined groove wall under an action of moving the lid to the first groove portion; a resilient member that is provided at the lid, and that is compressed by the wall portion and the lid by the action of moving the lid closer to the wall portion; and a connection member that is connected to an electronic component inside the case, and that is exposed from the opening when the opening is opened.

Abstract: An electronic device includes a first housing component including a side wall portion surrounding an electronic component; a concave portion provided in the side wall portion of the first housing component; a second housing component whose edge portion is arranged on the side wall portion of the first housing component; a seal member which has elasticity and waterproofness and which is arranged between the side wall portion of the first housing component and the edge portion of the second housing component; and a fixing component which includes a first claw portion that comes into contact with an upper surface of the edge portion of the second housing component and a second claw portion that fits into the concave portion of the side wall portion of the first housing component and which fixes the second housing component onto the first housing component by the first claw portion.

Abstract: A housing includes a first case and a second case configured to be joined together to make a housing space; and a double-sided adhesive member having a first surface and a second surface, the double-sided adhesive member including an impermeable, elastic base material, and a plurality of binder layers formed on either surface of the base material, the binder layers on the first and second surfaces being bonded to the first and second cases, respectively, wherein an adhesive force between the first case and the first surface of the double-sided adhesive member is greater on an outer side of the first case than on an inner side of the first case, and wherein an adhesive force between the second case and the second surface of the double-sided adhesive member is greater on an inner side of the second case than on an outer side of the second case.

Abstract: A waterproofing case with a first case and a second case includes a non-annular groove that has a start point side and an end point side and is arranged in parallel by a barrier rib of a certain length, in one of annular bonding portions. The waterproofing case also includes a cutout portion provided at a middle portion of the barrier rib so as to allow a groove portion at the start point side and the end point side to communicate with each other and a plastic elastomer that is disposed within the non-annular groove by curing after being coated. Furthermore, the waterproofing case includes a protrusion that bisects an exposed portion of the plastic elastomer disposed within the non-annular groove toward opposite walls of the non-annular groove at bonding two cases, in other annular bonding portion of the first case and the second case.

Abstract: A waterproof type switch includes: a waterproof sheet including a flat portion and a side wall portion disposed around the flat portion, an upper portion of the side wall portion coupled to an edge portion of the flat portion; a switch disposed below the flat portion; and an electronic component coupled to an upper surface of the flat portion, the electric component being used as a key top, wherein the waterproof sheet includes a rubber and a reinforcing plate including a first reinforcing plate disposed on the upper surface of the flat portion and coupled to the electric component.

Abstract: An electronic device includes: a case including a wall portion including an opening, and a pair of longitudinal grooves, wherein each of the longitudinal grooves includes a first groove portion that is disposed with the opening between the first groove portions; a second groove portion that is contiguous to the first groove portion through an inclined groove wall; a lid that moves along the longitudinal grooves, and that is brought closer to the wall portion by the inclined groove wall under an action of moving the lid to the first groove portion; a resilient member that is provided at the lid, and that is compressed by the wall portion and the lid by the action of moving the lid closer to the wall portion; and a connection member that is connected to an electronic component inside the case, and that is exposed from the opening when the opening is opened.

Abstract: A waterproofing case with a first case and a second case includes a non-annular groove that has a start point side and an end point side and is arranged in parallel by a barrier rib of a certain length, in one of annular bonding portions. The waterproofing case also includes a cutout portion provided at a middle portion of the barrier rib so as to allow a groove portion at the start point side and the end point side to communicate with each other and a plastic elastomer that is disposed within the non-annular groove by curing after being coated. Furthermore, the waterproofing case includes a protrusion that bisects an exposed portion of the plastic elastomer disposed within the non-annular groove toward opposite walls of the non-annular groove at bonding two cases, in other annular bonding portion of the first case and the second case.

Abstract: A waterproof type switch includes: a waterproof sheet including a flat portion and a side wall portion disposed around the flat portion, an upper portion of the side wall portion coupled to an edge portion of the flat portion; a switch disposed below the flat portion; and an electronic component coupled to an upper surface of the flat portion, the electric component being used as a key top, wherein the waterproof sheet includes a rubber and a reinforcing plate including a first reinforcing plate disposed on the upper surface of the flat portion and coupled to the electric component.

Abstract: A pressure detector configured to detect a predetermined pressure includes a housing having a concave that includes a perforation hole that perforates the housing, a sheet configured to cover the concave and to rupture when placed in an environment of the predetermined pressure or higher, and a semipermeable membrane configured to cover one end of the perforation hole, and to allow air to pass through the semipermeable membrane, the semipermeable membrane being configured to prevent water from passing through the semipermeable membrane.

Abstract: According to an aspect of an embodiment, a mobile terminal device includes a lower casing, an upper casing, and an intermediate casing, an intermediate casing connected to the lower casing by a hinge structure which enables the intermediate casing to rotate about an axis, the intermediate casing supporting a back surface of the upper casing by a front surface of the intermediate casing, wherein the upper casing has a first groove formed in a vertical direction with respect to the rotation axis on a surface facing the intermediate casing, the intermediate casing has a first portion protruding from a surface facing the upper casing and fitting the groove of the upper casing, and the upper casing is rotatable with respect to the intermediate casing for the portion being guided by the groove.

Abstract: A pressure detector configured to detect a predetermined pressure includes a housing having a concave that includes a perforation hole that perforates the housing, a sheet configured to cover the concave and to rupture when placed in an environment of the predetermined pressure or higher, and a semipermeable membrane configured to cover one end of the perforation hole, and to allow air to pass through the semipermeable membrane, the semipermeable membrane being configured to prevent water from passing through the semipermeable membrane.

Abstract: According to an aspect of an embodiment, a mobile terminal device includes a lower casing, an upper casing, and an intermediate casing, an intermediate casing connected to the lower casing by a hinge structure which enables the intermediate casing to rotate about an axis, the intermediate casing supporting a back surface of the upper casing by a front surface of the intermediate casing, wherein the upper casing has a first groove formed in a vertical direction with respect to the rotation axis on a surface facing the intermediate casing, the intermediate casing has a first portion protruding from a surface facing the upper casing and fitting the groove of the upper casing, and the upper casing is rotatable with respect to the intermediate casing for the portion being guided by the groove.