초록 ▼

A plug for the aattachment of a threaded fastener in a throughbore in sheet material, particularly metal sheet, comprising a plug body adapted to be plugged into the throughbore and having a bore oriented in plugging direction, wherein the body has a sealing collar forming a stop during plugging act

A plug for the aattachment of a threaded fastener in a throughbore in sheet material, particularly metal sheet, comprising a plug body adapted to be plugged into the throughbore and having a bore oriented in plugging direction, wherein the body has a sealing collar forming a stop during plugging action, the collar extending radially outwardly and having an annular sealing surface facing in plugging direction.

대표청구항 ▼

[ What is claimed is:] [1.]1. A screw grommet, comprising a body including an enlarged upper part, a middle part, and a lower part arranged in that order along an axis of said body;said body further including a screw receiving hole extending along said axis from a top surface of the upper part, thro

[ What is claimed is:] [1.]1. A screw grommet, comprising a body including an enlarged upper part, a middle part, and a lower part arranged in that order along an axis of said body;said body further including a screw receiving hole extending along said axis from a top surface of the upper part, through the middle part, and ending in the lower part;the upper part being provided with a sealing collar extending circumferentially of and obliquely radially outwardly from said body and toward the lower part, the sealing collar having a sealing surface at a lower end thereof, wherein said body is formed of a first plastic material and the sealing collar is formed of a second plastic material softer than the first plastic material.