EP0187656B1 - Method of making male elements for hinge devices and hinge devices obtained thereby - Google Patents

Method of making male elements for hinge devices and hinge devices obtained thereby Download PDF

Info

Publication number
EP0187656B1
EP0187656B1 EP86100126A EP86100126A EP0187656B1 EP 0187656 B1 EP0187656 B1 EP 0187656B1 EP 86100126 A EP86100126 A EP 86100126A EP 86100126 A EP86100126 A EP 86100126A EP 0187656 B1 EP0187656 B1 EP 0187656B1
Authority
EP
European Patent Office
Prior art keywords
pin
hinge
hollow
male
cylindrical
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.)
Expired
Application number
EP86100126A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0187656A3 (en
EP0187656A2 (en
Inventor
Norberto Manzalini
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.)
Otlav SpA
Original Assignee
Otlav SpA
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=11317938&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0187656(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Otlav SpA filed Critical Otlav SpA
Publication of EP0187656A2 publication Critical patent/EP0187656A2/en
Publication of EP0187656A3 publication Critical patent/EP0187656A3/en
Application granted granted Critical
Publication of EP0187656B1 publication Critical patent/EP0187656B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K13/00—Making locksmiths' goods, e.g. handles for cases
    • B21K13/02—Making locksmiths' goods, e.g. handles for cases hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D2005/102—Pins

Definitions

  • the present invention relates to a method of making hinge devices and hinge devices obtained thereby.
  • hinges having an internally hollow male element in order to achieve a lighter construction and lower manufacturing costs.
  • any liquid left inside the male element may seep out of it and attack, due to its prevailingly acidic nature, other hinges.
  • a further important object is to provide a method which permits the obtainment of a watertight hinge device without resorting to the use of additional elements of a different material.
  • Another object is to provide a method which permits the obtainment of a hinge device having a strong pivot point of homogeneous construction well protected against any oxidizing agents which may be present in the environment.
  • a not least object is to provide a method which is automatable throughout and implementable with ordinary equipment.
  • hinge devices According to another aspect of the invention there is provided a hinge device obtained by the above cited method and according to claim 6.
  • the method comprises a first step of shearing or severing a section or length from a cylindrical drawn wire rod blank to define a blank section cut from a wire rod (not shown).
  • the volume of the material making up the blank section should be equal to the volume of the material of the semifinished product obtained during the last step. That section is impact upset on a die to provide a regular cylinder 1 with one end 2 having a flat surface 3, and possibly a rounded area 4 at the other end as shown in Figure 2.
  • the cylinder 1 is cold reverse-extruded in a suitable die 30 by means of a first cylindrical punch 31 and subsequently a second cylindrical punch 32, if desired, having a smaller cross-section than that of the surface 3; thus, the material is upturned laterally to define a body 5 ( Figure 3) or 5a ( Figure 8) with a cavity 6 of cylindrical form and an opening 7 at the end 2.
  • a die 33 will reduce a portion of the body 5 at the end 2 by striking as shown in Figure 4 or 9, to define a pin 8 ( Figure 4) or 8a ( Figure 9) of cylindrical shape having an inside cavity 9 with the same shape and an opening 10 at its end extremity 11.
  • the pin 8 or 8a has a smaller outside diameter than the body 5, there being formed a flat annular base 12 therebetween or a transitional bevelled shoulder 12a ( Figure 9) which is subsequently rendered flat in 12b ( Figure 10).
  • the next step of the method is one of cold or hot upsetting the end extremity 11 of the pin 8, with a single strike or more strikes, the inner cavity 9 of the latter communicating with the 6.
  • Figures 5 and 6 and 10,11 there are shown an intermediate step wherein the walls 13 of the end extremity 11 are brought together first, and the final step wherein an end of essentially hemispherical shape is defined which is radiused to the side walls 15 of the pin 8 and closes the cavity 9 thereof.
  • the end extremity 14 thus defined prevents penetration of the liquid during the successive step of immersion into galvanic baths for the necessary treatment.
  • the extremity 14 becomes, therefore, the terminating end of the pin 8 on which the female 16 is made to bear and turn friction-free.
  • the latter has a cylindrical body 17 shaped to match the pin 8 of the male element 18, the depth of its seat 19 being slightly smaller than the length of the pin 8 itself.
  • a means 22 adapted to associate the hinge 23 to the casings, said means consisting of an outside threaded shank.
  • the male element 18 being of hollow construction, manufacturing cost is lowered because of the reduced raw material requirements.
  • a tang may be formed at the end 4 which protrudes along the same longitudinal mid-axis, which tang may be then fashioned plastically into a desired aesthetic configuration.
  • Such tang may be formed by providing a counter-punch 34, which normally closes the bottom 35 of the die 30, with a central bore (not shown) or by omitting the use of a counter-punch 34 so that the bottom 35 of the die 30 is left with a bore-like opening in which the counter-punch 34 may be arranged if desired.
  • the materials used and the dimensions of the hinge may be any ones according to necessity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
EP86100126A 1985-01-09 1986-01-07 Method of making male elements for hinge devices and hinge devices obtained thereby Expired EP0187656B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8250385 1985-01-09
IT82503/85A IT1187411B (it) 1985-01-09 1985-01-09 Procedimento per l'ottenimento di una cerniera a maschio cavo con cavita' chiusa

Publications (3)

Publication Number Publication Date
EP0187656A2 EP0187656A2 (en) 1986-07-16
EP0187656A3 EP0187656A3 (en) 1986-10-01
EP0187656B1 true EP0187656B1 (en) 1990-04-11

Family

ID=11317938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100126A Expired EP0187656B1 (en) 1985-01-09 1986-01-07 Method of making male elements for hinge devices and hinge devices obtained thereby

Country Status (4)

Country Link
EP (1) EP0187656B1 (es)
DE (1) DE3670224D1 (es)
ES (2) ES8704772A1 (es)
IT (1) IT1187411B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1392596B1 (it) * 2008-12-22 2012-03-09 Otlav Spa Elemento di incernieramento e relativo procedimento di realizzazione
IT202000016414A1 (it) * 2020-07-07 2022-01-07 Combi Arialdo S N C Metodo per realizzare un organo di cerniera per serramenti metallici e similari e organo di cerniera cosi' ottenuto

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911029A (en) * 1960-03-03 1962-11-21 Gen Motors Corp Improvements relating to ball studs
FR2368316A1 (fr) * 1976-10-21 1978-05-19 Kramatorsky Ind Institu Procede de realisation d'un bout etanche sur une ebauche tubulaire
IT1080824B (it) * 1977-02-28 1985-05-16 Otlav Di Padovan Angelo Procedimento per ottenere da un unico massello un corpo cavi,particolarmente un maschio di cerniera,e prodotto cosi' ottenuto
DE3307529A1 (de) * 1983-03-03 1984-09-06 Walter Birmensdorf Pfäffli Scharnier zur befestigung eines tuerfluegels an einem tuerrahmen

Also Published As

Publication number Publication date
DE3670224D1 (de) 1990-05-17
EP0187656A3 (en) 1986-10-01
ES551291A0 (es) 1987-05-01
ES296110U (es) 1987-10-16
ES296110Y (es) 1988-04-16
EP0187656A2 (en) 1986-07-16
ES8704772A1 (es) 1987-05-01
IT8582503A0 (it) 1985-01-09
IT1187411B (it) 1987-12-23

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