Process for applying adhesive to interior wall of a hole utilizing a nozzle

{
  "publication_number": "US9925558B2",
  "country": "US",
  "kind": "B2",
  "title": "Process for applying adhesive to interior wall of a hole utilizing a nozzle",
  "abstract": "A nozzle for applying a fluid material to an object includes a tubular wall with several circumferentially spaced ribs that extend outward from the tubular wall to engage an object to which the fluid material is to be applied. The ribs space the tubular wall from the inner wall to provide a gap for the fluid material and aligning the tubular wall with the hole in the object. The tubular wall provides at least one opening between adjacent pairs of ribs for the fluid material to flow into the gap. A sealing surface on the nozzle engages a portion of the object preventing escape of the fluid from the gap. In a process for using the nozzle, a user manually detects equilibrium between the pressure applied to the fluid in the nozzle and the pressure in the nozzle to determine when the gap has been filled.",
  "claims": [
    "1. A method for applying a film of liquid adhesive to the interior wall of a cylindrical hole in an object, said cylindrical hole extending along a cylindrical hole cylindrical axis, comprising providing a tube of said liquid adhesive with a nozzle attached to an outlet thereof, inserting said nozzle into said cylindrical hole, creating a dynamic pressure seal between said object and said nozzle, causing said adhesive to flow into said nozzle by manually applying pressure to said tube of liquid adhesive while maintaining said dynamic pressure seal, manually sensing equilibrium between the pressure of the adhesive in the tube and the pressure of the adhesive in the cylindrical hole during said step of manually applying pressure, and after sensing said equilibrium, terminating said step of manually applying pressure, wherein said nozzle comprises a body having a first portion for engaging said tube of liquid adhesive and a second portion extending from said first portion and in fluid communication therewith, said second portion comprising a cylindrical wall portion having a wall portion cylindrical axis and a plurality of circumferentially spaced ribs extending radially from said cylindrical wall portion and extending along the major part of the second portion parallel to said cylindrical wall portion cylindrical axis for engaging said interior wall of said cylindrical hole to which said fluid material is to be applied, spacing said cylindrical wall portion from said interior wall of said cylindrical hole to provide a gap between said cylindrical wall portion and said interior wall for receiving said liquid adhesive, and aligning said cylindrical wall portion with said interior wall such that said cylindrical hole cylindrical axis coincides with said cylindrical wall portion cylindrical axis, at least one opening in said cylindrical wall portion located circumferentially between each respective pair of adjacent ribs to allow said liquid adhesive to flow into said gap, and an angled surface at a fixed distance from the bottom of said second portion configured to engage a portion of said object forming a top of said cylindrical hole when said spaced ribs are engaging said interior wall to prevent escape of said fluid from said gap by said dynamic pressure seal, said angled surface being immovable with respect to said bottom of said second portion.",
    "2. A method according to claim 1 wherein said cylindrical wall portion is closed at an end distal from said first portion."
  ],
  "description_excerpt": "This invention relates to the application of coatings such as adhesives. In particular, the invention relates to a nozzle for applying a liquid adhesive to the interior of a hole for securing a plug in the hole.\n\nIt is known to attach one material to another with a fastener such that the head of the fastener lies just below the upper surface of the one material. For example, it is known to countersink the head of a screw fastener below the surface of a sheet of material being secured to another. It is also known to fill the space between the countersunk screw head and the surface of the material with a dowel having an upper surface flush with the upper surface of the material.\n\nIt is also known to provide a drill bit capable of drilling both a hole for a screw and a countersink hole for recessing the head of the screw. United States Patent Application Publication 2008/0307627 (Gertner) describes a system utilizing such a drill and also using plugs for filling the countersink holes. The plug is typically of the same material as the material being secured and is preferably secured in the countersink hole by an adhesive.\n\nTo make a suitable bond between the plug and the hole, typically, the plug is rolled over a puddle of the glue or otherwise coated until the cylindrical surface is fully coated. Then, the plug is inserted into the hole and driven flush or near flush with a hammer. The types of glue used vary, but typically PVA glue, epoxy, urethanes and other types of “carpenter's glue” are used in this application.",
  "cpc": [
    "B05D 1/26",
    "B05C 17/00503",
    "B05C 17/00516",
    "B05D 2259/00",
    "B05D 7/06",
    "B05D 7/22",
    "B27G 11/00",
    "B43M 11/06",
    "B65D 83/00"
  ],
  "ipc": [
    "B05C 17/005",
    "B05D 1/26",
    "B05D 7/06",
    "B05D 7/22",
    "B27G 11/00",
    "B43M 11/06",
    "B65D 83/00"
  ],
  "assignees": [
    "Adhesive Techlologies Inc"
  ],
  "inventors": [
    "Richard A. Belanger"
  ],
  "filing_date": "2015-12-03",
  "publication_date": "2018-03-27",
  "grant_date": "2018-03-27",
  "priority_date": "2010-11-09",
  "application_number": "US-201514958045-A",
  "family_id": "46019873",
  "cited_by_count": 1,
  "citations": [
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    "US2877480A",
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    "GB2058726A",
    "US4509884A",
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    "US20070127978A1",
    "US20070235121A1",
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    "US20110198372A1",
    "US8905264B2"
  ]
}