Sealing device

A sealing device comprising:

• a bolt having a shank, and a shoulder formed on the shank and adjacent an end of the shank;
• and
• a body part for irremovably retaining the shank of said bolt;
• the body comprising:
• a barrel for receiving the bolt, and
• a resilient clip irremovably held within the barrel for locating behind and engaging with the shoulder of the bolt;
• wherein
• the clip comprises a head and legs connected to the head,
• the head defines a gap elastically enlargeable to allow passage of said end of the shank of the bolt there-through,
• the legs extend away from the head so as to locate along sides and at a bottom of an interior of the barrel, and
• said head has a rounded shape,
• wherein the head of the clip locates behind an internal shoulder formed inside of a mouth of the barrel and the clip is formed of a single length of wire shaped to form the head and legs.

A sealing device, comprising:

• a bolt having a shank with opposite first and second ends, an enlarged head at the first end, and a groove formed adjacent the second end to define a shoulder;
• and
• a body for irremovably retaining said bolt;
• the body comprising:
• a barrel for receiving at least the second end of the shank, and
• a resilient clip irremovably held within the barrel for being received in said groove and engaging with the shoulder of the bolt;
• wherein
• the clip comprises a head and two legs connected to the head;
• the head of the clip defines an opening elastically enlargeable to allow passage of said second end of the shank of the bolt therethrough;
• the legs extend away from the head of the clip towards a bottom of an interior of the barrel;
• said barrel has an aperture opposite said bottom, said aperture being sized for allowing the second end of said shank to pass though and formed by a transverse wall that projects from inner side walls of said barrel radially inwardly;
• said head of said clip is located adjacent said aperture and has a dimension greater than said aperture for preventing withdrawal of said clip from the interior of said barrel;
• the inner side walls of said barrel are all parallel to an axial direction of said barrel;
• and
• the transverse wall projects from the inner side walls radially inwardly and perpendicular to said axial direction of said barrel, wherein said legs of the clip are parallel.

In combination, a bolt and a barrel;

• said bolt having a shank and a head, said shank comprising in the order from the head:
• a first portion, a second portion, a third portion and a distal section;
• said first portion extending away from said head and defining a first diameter, said first portion terminating immediately at said second portion having a second diameter less than the first diameter, thereby defining a first radial wall extending towards a central axis of said bolt;
• and
• said third portion located in proximity to said distal section, said third portion defining a second radial wall with the second portion and a shoulder with the distal section, wherein said distal section tapering towards the central axis, and
• said barrel comprising:
• an internal chamber having a first end and a second end, said first end defining a first opening capable of receiving said distal section of said shank and said second end opposite to the first end defining a second opening adapted to receive a clip;
• and
• an end cap closing the second opening of said barrel;
• wherein, said barrel upon receiving the clip is overmoulded by a plastic material, and a third opening corresponding to the first opening and having a diameter greater than the first opening is defined by the overmoulded plastic material and said clip comprises a head and two legs connected to the head,
• the head of the clip defines an opening elastically enlargeable to allow passage of said second end of the shank of the bolt therethrough,
• the legs extend away from the head of the clip towards the second end of the barrel.

In combination, a bolt and a barrel;

• said bolt having a shank and a head, said shank comprising in the order from the head:
• a first portion, a second portion, a third portion and a distal section;
• said first portion extending away from said head and defining a first diameter, said first portion terminating immediately at said second portion having a second diameter less than the first diameter, thereby defining a first radial wall extending towards a central axis of said bolt;
• and
• said third portion located in proximity to said distal section, said third portion defining a second radial wall with the second portion and a shoulder with the distal section, wherein said distal section tapering towards the central axis, and
• said barrel comprising:
• an internal chamber having a first end and a second end, said first end defining a first opening capable of receiving said distal section of said shank and said second end opposite to the first end defining a second opening adapted to receive a clip;
• and
• an end cap closing the second opening of said barrel;
• wherein, said barrel upon receiving the clip is overmoulded by a plastic material, and a third opening corresponding to the first opening and having a diameter greater than the first opening is defined by the overmoulded plastic material and the legs of the clip are formed by parallel wires, and said clip is formed of a single length of wire shaped to form the head and legs.

In combination, a bolt and a barrel;

• said bolt having a shank and a head, said shank comprising in the order from the head:
• a first portion, a second portion, a third portion and a distal section;
• said first portion extending away from said head and defining a first diameter, said first portion terminating immediately at said second portion having a second diameter less than the first diameter, thereby defining a first radial wall extending towards a central axis of said bolt;
• and
• said third portion located in proximity to said distal section, said third portion defining a second radial wall with the second portion and a shoulder with the distal section, wherein said distal section tapering towards the central axis, and said barrel comprising:
• an internal chamber having a first end and a second end, said first end defining a first opening capable of receiving said distal section of said shank and said second end opposite to the first end defining a second opening adapted to receive a clip;
• and
• an end cap closing the second opening of said barrel;
• wherein, said barrel upon receiving the clip is overmoulded by a plastic material, and a third opening corresponding to the first opening and having a diameter greater than the first opening is defined by the overmoulded plastic material and said end cap along with a portion of said overmoulded plastic material covering said end cap is inside the second opening of the second end of said internal chamber.