SE0102683D0 - Method and fasteners for establishing an anchorage in a sandwich structure - Google Patents

Method and fasteners for establishing an anchorage in a sandwich structure

Info

Publication number
SE0102683D0
SE0102683D0 SE0102683A SE0102683A SE0102683D0 SE 0102683 D0 SE0102683 D0 SE 0102683D0 SE 0102683 A SE0102683 A SE 0102683A SE 0102683 A SE0102683 A SE 0102683A SE 0102683 D0 SE0102683 D0 SE 0102683D0
Authority
SE
Sweden
Prior art keywords
screw
core
thread
anchorage
fasteners
Prior art date
Application number
SE0102683A
Other languages
Swedish (sv)
Other versions
SE525852C2 (en
SE0102683L (en
Inventor
Rafael Siwecki
Karl Persson
Gustaf Schwang
Original Assignee
Rafael Siwecki
Karl Persson
Gustaf Schwang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20285001&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0102683(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rafael Siwecki, Karl Persson, Gustaf Schwang filed Critical Rafael Siwecki
Priority to SE0102683A priority Critical patent/SE525852C2/en
Publication of SE0102683D0 publication Critical patent/SE0102683D0/en
Publication of SE0102683L publication Critical patent/SE0102683L/en
Publication of SE525852C2 publication Critical patent/SE525852C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/01—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening elements specially adapted for honeycomb panels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)
  • Connection Of Plates (AREA)

Abstract

A hole (30) with a length approximately equal to the sum of the screw core diameter and the radial width of the screw thread (22) from the screw core is made in the surface layer (11) of the sandwich construction prior to the screw being inserted, so that the leading end edge of the screw thread will cut into the core (10). Once the screw is inserted, the thread is covered by a continuous surface layer of the sandwich construction over essentially the entire radial width and over a significant part of its circumference. The screw fastener core has an external diameter less than one third of the screw fastener external diameter.
SE0102683A 2001-08-09 2001-08-09 Mounting method for screw fastener in sandwich construction, comprises inserting fastener into hole with specific geometry in surface layer SE525852C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE0102683A SE525852C2 (en) 2001-08-09 2001-08-09 Mounting method for screw fastener in sandwich construction, comprises inserting fastener into hole with specific geometry in surface layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0102683A SE525852C2 (en) 2001-08-09 2001-08-09 Mounting method for screw fastener in sandwich construction, comprises inserting fastener into hole with specific geometry in surface layer

Publications (3)

Publication Number Publication Date
SE0102683D0 true SE0102683D0 (en) 2001-08-09
SE0102683L SE0102683L (en) 2003-02-10
SE525852C2 SE525852C2 (en) 2005-05-10

Family

ID=20285001

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102683A SE525852C2 (en) 2001-08-09 2001-08-09 Mounting method for screw fastener in sandwich construction, comprises inserting fastener into hole with specific geometry in surface layer

Country Status (1)

Country Link
SE (1) SE525852C2 (en)

Also Published As

Publication number Publication date
SE525852C2 (en) 2005-05-10
SE0102683L (en) 2003-02-10

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Legal Events

Date Code Title Description
NUG Patent has lapsed