ATE115016T1 - TOOL STAMP FOR MANUFACTURING FRICTION ELEMENTS. - Google Patents

TOOL STAMP FOR MANUFACTURING FRICTION ELEMENTS.

Info

Publication number
ATE115016T1
ATE115016T1 AT92111047T AT92111047T ATE115016T1 AT E115016 T1 ATE115016 T1 AT E115016T1 AT 92111047 T AT92111047 T AT 92111047T AT 92111047 T AT92111047 T AT 92111047T AT E115016 T1 ATE115016 T1 AT E115016T1
Authority
AT
Austria
Prior art keywords
punch
inclination
side faces
angle
sheet
Prior art date
Application number
AT92111047T
Other languages
German (de)
Inventor
Klaus Dieter Geiser
Original Assignee
Braun Ag
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 Braun Ag filed Critical Braun Ag
Application granted granted Critical
Publication of ATE115016T1 publication Critical patent/ATE115016T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02—Stabbing or piercing, e.g. for making sieves

Abstract

A punch (1) is proposed for producing grating elements (20) according to the invention, the grating elements (20) being formed from a metal sheet as the punch (1) penetrates the latter. In its end region (6, 7, 8), with which it interacts with the sheet during the forming operation, the punch (1) comprises a stub (6) of essentially square cross-section, adjoining which is a pyramid-shaped end piece (8). Two opposite side faces (18) and (19) of the pyramid-shaped end piece (8) have essentially the same angle of inclination (b and a respectively) in relation to their centre line (10 and 9 respectively) whereas the common angle of inclination (b) of one pair (18) of side faces differs from the angle of inclination (a) of the other pair (19) of side faces. As a result, the two opposite sheet-metal tabs (25) are curved in such a way that their sharp-edged rim (28) points in the circumferential direction (U), giving a sharper grating disc (21). <IMAGE>
AT92111047T 1991-08-20 1992-06-30 TOOL STAMP FOR MANUFACTURING FRICTION ELEMENTS. ATE115016T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4127486A DE4127486A1 (en) 1991-08-20 1991-08-20 TOOL STAMP FOR THE PRODUCTION OF FRICTION ELEMENTS

Publications (1)

Publication Number Publication Date
ATE115016T1 true ATE115016T1 (en) 1994-12-15

Family

ID=6438664

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92111047T ATE115016T1 (en) 1991-08-20 1992-06-30 TOOL STAMP FOR MANUFACTURING FRICTION ELEMENTS.

Country Status (3)

Country Link
EP (1) EP0528147B1 (en)
AT (1) ATE115016T1 (en)
DE (2) DE4127486A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435516A1 (en) * 1994-10-04 1995-04-27 Manfred Wanzke Sound-absorbing bodies

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE554303C (en) * 1930-04-05 1932-07-07 Hans Gradl Process for the production of tooth crowns on rubbing bodies for potato graters o.
US1925034A (en) * 1932-07-20 1933-08-29 Fitzgerald Mfg Co Prick punching machine
US3821890A (en) * 1972-11-29 1974-07-02 H Dewey Roof gutter and downspout and punch therefor
GB1542409A (en) * 1976-06-21 1979-03-21 Chloride Group Ltd Perforating metal strip

Also Published As

Publication number Publication date
DE4127486A1 (en) 1993-02-25
EP0528147B1 (en) 1994-12-07
EP0528147A1 (en) 1993-02-24
DE59200902D1 (en) 1995-01-19

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee