A connector for device is configured to be attached to a device housing including a hole and configured to hold an electric wire inserted into the hole, and the connector for device includes a tube-shaped housing into which the electric wire is inserted and which is configured to be inserted into one end of the hole of the device housing, and a front holder configured to be engaged with one end of the tube-shaped housing, wherein the front holder includes an electric wire holding portion to which the electric wire is held, and a locking portion that is continuous with the electric wire holding portion and configured to be engaged with the tube-shaped housing, and wherein the electric wire holding portion is positioned inside the tube-shaped housing in a state where the locking portion is engaged with the tube-shaped housing.

A method for manufacturing a grommet, which is fixed to a wire harness W inserted into an opening portion of a panel P and which is fitted and attached to the opening portion to thereby support the wire harness W on the panel P. The grommet includes peripheral walls that surrounds the wire harness W to form a sound shield space S around the wire harness W, and a soundproof wall that is formed in the sound shield space S so as to cross a longitudinal direction of the wire harness W. The soundproof wall is designed by use of an expression of TL=20 log(p×f)−42.5 where TL designates transmission loss of the soundproof wall, ρ designates surface density of the soundproof wall, and f designates a frequency.

A grommet according to an aspect of the present disclosure includes: a base part that is fixed to an insertion hole provided in a vehicle body panel; a tubular part that covers an outer circumference of a wire harness inserted into the insertion hole; and a coupling part that couples a basal portion of the tubular part and the base part while allowing tilting movement of the tubular part. The coupling part includes a compression allowance part provided on a first direction side in a circumferential direction and a tension allowance part provided on a second direction side opposite to the first direction side, such that when a leading end side of the tubular part is inclined toward the first direction side, stress applied to the base part is smaller than when the leading end side of the tubular part is inclined toward the second direction side.

A grommet body of a grommet includes: a large-diameter tubular portion; a first small-diameter tubular portion arranged on one side of a through-hole; and a second small-diameter tubular portion arranged on another side of the through-hole. The grommet body includes an umbrella-like sound insulation portion which covers the through-hole from another side, and the sound insulation portion is configured such that an abutting side surface is folded back in such a way as to face a radial outer side of the grommet body with a folded-back portion as a base point. The sound insulation portion in a state in which the abutting side surface is folded back in such a way as to face the radial outer side of the grommet body has a pleated shape, and an outer diameter of the sound insulation portion in this state is smaller than an inner diameter of the through-hole.

An electrical wire connection device is provided with: a shield shell, one end side having a connection part for inserting an electrical wire, the other end side having a cap part that can be mounted on a casing; a grommet including a soft material, having formed at one end side an extension cylinder part through which an electrical wire can be passed, and having formed at the other end side a skirt part fitted into the shield shell from the connection part side and fitted to the outer peripheral surface of a step part; and a grommet protective member formed of material harder than the grommet and arranged surrounding the skirt part from the outer peripheral surface side, a flange part being formed on the inner peripheral surface of the grommet protective member and pressing against the outer peripheral surface of the grommet.

A cable assembly includes a grommet, a cable, and a ferrule. The grommet has a cylindrical sleeve defining a cable channel therethrough and a flange extending radially outward from the cylindrical sleeve. The cable includes one or more insulated wires, a cable shield surrounding the one or more insulated wires, and an outer jacket surrounding the cable shield. The cable extends through the cable channel of the grommet. The cable shield and the one or more insulated wires protrude from an end of the outer jacket. The cable shield has an overlap portion extending around the end of the outer jacket and surrounding and engaging the cylindrical sleeve of the grommet to electrically connect the cable shield to the grommet. The ferrule surrounds and engages the overlap portion of the cable shield to secure the overlap portion to the cylindrical sleeve of the grommet.

A grommet for use in a cable fitting includes a body having a bore substantially therethrough and a resilient membrane located within the bore. The resilient membrane is elastically deformable from a receiving position before the cable is inserted into the bore, to an inserted position, after the cable is fully inserted into the bore. In the receiving position, the resilient membrane is substantially conically shaped having an apex substantially coincident with an insertion opening of the body, and, the resilient membrane is axially displaced during the insertion of the cable to an inverted position with respect to the receiving position where the apex is oriented away from the insertion opening. The resilient membrane has a thinner membrane portion extending from the apex towards the bore to provide a controlled tear during cable insertion. The body has an exit opening which comprises resilient gripping teeth projecting axially from the body with an axially extending resilient foldable membrane located between at least two adjacent resilient teeth and foldable therebetween when they are radially compressed. Once force is applied by the axial movement of the fitting assembly onto a tapered surface of the grommet, the flexible gripping members radially collapse towards an inserted cable. The combination of the resilient membrane and the axially extending teeth separated by a foldable membrane allow for an increased friction fit and sealing interface on the cable. The grommet may be assembled in a strain relief connector having a nut, a connector body and optionally an insert. The insert has a removed section longitudinally coincident with a gripping surface facilitating movement of the gripping surface towards the cable.

A seal structure that includes: a grommet with a cylindrical shape that is installed in an attachment panel, the grommet including an opposing surface facing an attachment surface of the attachment panel; and a bracket that presses the opposing surface of the grommet against the attachment surface of the attachment panel.

An insulating device includes a body portion including a first surface feature extending between a first surface end and a second surface end. The first surface end defines a first surface cross-sectional size. The second surface end defines a second surface cross-sectional size. The second surface cross-sectional size is less than the first surface cross-sectional size. The body portion includes a second surface feature extending between a third surface end and a fourth surface end. The third surface end defines a third surface cross-sectional size. The fourth surface end defines a fourth surface cross-sectional size. The fourth surface cross-sectional size is less than the third surface cross-sectional size. The insulating device includes a flange portion having a flange wall. The flange wall includes a first mating portion that engages the first surface feature and a second mating portion that engages the second surface feature of the body portion.

A penetrator device has an outer housing of non-conductive, insulating material having a through bore, at least one conductive pin formed in one or two parts extending through the housing and having a first end portion and a second end portion extending out of the respective first and second ends of the housing, a first cladding layer bonded over the first end portion of the pin to form a first bonded assembly, a second cladding layer bonded over the second end portion of the pin to form a second bonded assembly, and the material of the first and second cladding layer comprising a corrosion resistant conductive material different from the pin material.