EP0940202A2 - Procédé de rivetage - Google Patents

Procédé de rivetage Download PDF

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Publication number
EP0940202A2
EP0940202A2 EP98670001A EP98670001A EP0940202A2 EP 0940202 A2 EP0940202 A2 EP 0940202A2 EP 98670001 A EP98670001 A EP 98670001A EP 98670001 A EP98670001 A EP 98670001A EP 0940202 A2 EP0940202 A2 EP 0940202A2
Authority
EP
European Patent Office
Prior art keywords
mechanical
parts
drillings
riveting
instance
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP98670001A
Other languages
German (de)
English (en)
Other versions
EP0940202A3 (fr
Inventor
José Maria Martins Nunes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Portuleiter - Produtos Metalicos Ltda
Original Assignee
Portuleiter - Produtos Metalicos Ltda
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
Application filed by Portuleiter - Produtos Metalicos Ltda filed Critical Portuleiter - Produtos Metalicos Ltda
Publication of EP0940202A2 publication Critical patent/EP0940202A2/fr
Publication of EP0940202A3 publication Critical patent/EP0940202A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder

Definitions

  • This specification relates to a demand for an utility model to a method for mechanical riveting, whose evident object consists on allowing the definitive mechanical connection and fixing of parts and pieces, namely hinges designed, for instance, for articulate ladders in such a form that it dismisses the means known and used in the art till present day.
  • the process described thereafter consists basically on foreseeing some reamed drillings upon the part with stronger material (for example, iron or steel), hollow or solid, and that is designed to be introduced into an hollow end of another part made from a different and weaker material (for instance, aluminium), which will will suffer from outside and exactly in the direction of each one of said reamed drillings of the inner side, a pessure the forces the soft material of the outer side to warp in and to enter into said reamed zones, thus fixing together respectively a part or piece one another.
  • stronger material for example, iron or steel
  • hollow or solid hollow or solid
  • a different and weaker material for instance, aluminium
  • the hinge (1) used, for instance, in hinged ladders (Fig. 2) presents two terminal arms (2), with specially reamed recesses or drillings (3) in number of four or more, depending on the applications and loads at stake, mainly made of thougher material (iron or steel), where each one of said terminals (2) of the hinge enter respective aluminium tube ends (4) for example with a rectangular profile, in which at least two of its opposed sides, and in the direction of each one of respective reamed recesses or drillings (3) from the inner located part, are produced by means (punches) already basically known some pressures that conduct to the mechanical deformation of the outer part material unsresponsive to the method used therefor, forcing it to fit precisely and closely into the rounded ream and in depth into respective special reamed recesses or drillings (3) with the produced respective protrusions (5).
  • thougher material iron or steel
  • the reams (3) are specially executed with the shape of rounded edges in order to avoid the weaker material being the target to shearing stress when subject to respective mechanical deformation or protrusion (5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
  • Forging (AREA)
  • Insertion Pins And Rivets (AREA)
EP98670001A 1998-03-05 1998-04-03 Procédé de rivetage Withdrawn EP0940202A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT944998U PT9449U (pt) 1998-03-05 1998-03-05 Processo de cravamento mecanico
PT944998U 1998-03-05

Publications (2)

Publication Number Publication Date
EP0940202A2 true EP0940202A2 (fr) 1999-09-08
EP0940202A3 EP0940202A3 (fr) 2000-08-16

Family

ID=20081332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98670001A Withdrawn EP0940202A3 (fr) 1998-03-05 1998-04-03 Procédé de rivetage

Country Status (2)

Country Link
EP (1) EP0940202A3 (fr)
PT (1) PT9449U (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344921A1 (de) * 1993-12-30 1995-07-06 Rauschenberger Metallwaren Gmb Verfahren und Vorrichtung zum Verbinden von wenigstens zwei Bauteilen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344921A1 (de) * 1993-12-30 1995-07-06 Rauschenberger Metallwaren Gmb Verfahren und Vorrichtung zum Verbinden von wenigstens zwei Bauteilen

Also Published As

Publication number Publication date
PT9449T (pt) 1999-09-30
PT9449U (pt) 2001-03-30
EP0940202A3 (fr) 2000-08-16

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