DE29908254U1 - Tool for the production of perforated foils - Google Patents

Tool for the production of perforated foils

Info

Publication number
DE29908254U1
DE29908254U1 DE29908254U DE29908254U DE29908254U1 DE 29908254 U1 DE29908254 U1 DE 29908254U1 DE 29908254 U DE29908254 U DE 29908254U DE 29908254 U DE29908254 U DE 29908254U DE 29908254 U1 DE29908254 U1 DE 29908254U1
Authority
DE
Germany
Prior art keywords
tool
bosses
production
perforated foils
roller
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 - Lifetime
Application number
DE29908254U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE29908254U priority Critical patent/DE29908254U1/en
Publication of DE29908254U1 publication Critical patent/DE29908254U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (2)

1. Werkzeug zur Herstellung perforierter Folien aus metallischen Werkstoffen für den Einsatz als Schall- und Hitzeschutzelemente durch zwei miteinander in Eingriff stehende und gegenläufig rotierende Walzen mit parallelen Drehachsen, dadurch gekennzeichnet, daß eine Oberwalze (1) und eine Unterwalze (2) keilförmige Buckel (3; 4) aufweisen, wobei die Buckel (3; 4) in Reihen mit gleichen Abständen so auf den Walzen (1; 2) angeordnet sind, daß sich die Buckel (3) einer Reihe der Oberwalze (1) genau zwischen den Buckeln (4) zweier benachbarter Reihen der Unterwalze (2) befinden.1. Tool for the production of perforated foils from metallic materials for use as sound and heat protection elements by two mutually engaging and counter-rotating rollers with parallel axes of rotation, characterized in that an upper roller ( 1 ) and a lower roller ( 2 ) wedge-shaped hump ( 3 ; 4 ), the bosses ( 3 ; 4 ) being arranged in rows at equal intervals on the rollers ( 1 ; 2 ) so that the bosses ( 3 ) of a row of the top roller ( 1 ) are exactly between the bosses ( 1 4 ) two adjacent rows of the lower roller ( 2 ). 2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß der Querschnitt der Buckel (7) einen ebenen Bereich (8) aufweist, der mit den beiden Flanken (9; 10) zwei Druckkanten (11; 12) bildet.2. Tool according to claim 1, characterized in that the cross section of the hump ( 7 ) has a flat region ( 8 ) which forms two pressure edges ( 11 ; 12 ) with the two flanks ( 9 ; 10 ).
DE29908254U 1999-05-07 1999-05-07 Tool for the production of perforated foils Expired - Lifetime DE29908254U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29908254U DE29908254U1 (en) 1999-05-07 1999-05-07 Tool for the production of perforated foils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29908254U DE29908254U1 (en) 1999-05-07 1999-05-07 Tool for the production of perforated foils

Publications (1)

Publication Number Publication Date
DE29908254U1 true DE29908254U1 (en) 1999-09-16

Family

ID=8073339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29908254U Expired - Lifetime DE29908254U1 (en) 1999-05-07 1999-05-07 Tool for the production of perforated foils

Country Status (1)

Country Link
DE (1) DE29908254U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311174A1 (en) * 2003-03-12 2004-09-23 Unimet Gmbh Process for the production of a structured metal foil
EP1839825A1 (en) 2006-03-29 2007-10-03 Groz-Beckert KG Method and apparatus for producing perforated sheet material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10311174A1 (en) * 2003-03-12 2004-09-23 Unimet Gmbh Process for the production of a structured metal foil
EP1839825A1 (en) 2006-03-29 2007-10-03 Groz-Beckert KG Method and apparatus for producing perforated sheet material

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19991021

R150 Term of protection extended to 6 years

Effective date: 20021217

R157 Lapse of ip right after 6 years

Effective date: 20051201