US 6,957,486 B2Granted

Device and process for the production of gasket layers

AssigneeElring Klinger AG

InventorWolfgang Fritz

Life of this patent

Estimating the term…

Loading patent…

Abstract

In order to provide a device for the production of gasket layers for single or multiple layered gaskets from one respective gasket layer section of a starting material comprising several continuous gasket layer sections, comprising a follow-on combination tool with several machining stations which follow one another along a direction of feed and in which the gasket layer sections are machined during operating cycles, wherein at least one of the machining stations is designed as a station for cutting outer contour lines, in which facing outer contour lines of two adjacent gasket layers are cut by means of a tool for cutting outer contour lines, and a feeding device, by means of which the gasket layer sections are moved further along the direction of feed by a feed distance v between two operating cycles, with which the outer contour lines of the gasket layers are cut with less resources and the starting material can be better utilized it is suggested that the tool for cutting outer contour lines be designed such that the outer contour lines of the two adjacent gasket layers are cut with the same cutting edge and that the feed distance v be essentially the same as the extension b of the outer contour of a finished gasket layer or a group of finished gasket layers along the direction of feed.

Claims15

Dependent claims

Process for the production of a multi-plate gasket comprising at least a first metal gasket plate and a second metal gasket plate, wherein said first gasket plate is produced from one respective gasket plate section of a starting material comprising several continuous gasket plate sections, wherein the gasket plate sections are machined during operating cycles in a follow-on combination tool having several machining stations following one another along a direction of feed, wherein at least one of the machining stations is designed as a station for cutting outer contour lines, facing outer contour lines of two adjacent gasket plates being cut in said station by means of a tool for cutting outer contour lines, and wherein the gasket plate sections are moved further along the direction of feed by a feed distance by means of a feeding device between two operating cycles,

wherein the outer contour lines of the two adjacent gasket plates are cut with the same cutting edge of the tool for cutting outer contour lines and wherein the feed distance is selected to be essentially the same as the extension of the outer contour of a finished gasket plate or a group of finished gasket plates along the direction of feed,
wherein the outer contour of said first gasket plate is provided with a pointed corner,
wherein said second gasket plate is produced by means of a follow-on combination tool, the feed distance with said tool being greater than the extension of the outer contour of said second gasket plate along the direction of feed,
and wherein said first gasket plate and said second gasket plate are disposed one on the other to form said multi-plate gasket such that a corner-free outer contour of said second gasket plate projects beyond said pointed corner on said first gasket plate such that the first metal gasket plate and the second metal gasket plate collectively provide an outermost contour of said multi-plate gasket that is corner-free.

1 more element

Process for the production of a multi-plate gasket comprising at least a first metal gasket plate and a second metal gasket plate,

wherein said first gasket plate is produced from one respective gasket plate section of a starting material comprising several continuous gasket plate sections, wherein the gasket plate sections are machined during operating cycles in a follow-on combination tool having several machining stations following one another along a direction of feed, wherein at least one of the machining stations is designed as a station for cutting outer contour lines, facing outer contour lines of two adjacent gasket plates being cut in said station by means of a tool for cutting outer contour lines, and
wherein the gasket plate sections are moved further along the direction of feed by a feed distance by means of a feeding device between two operating cycles,
wherein the outer contour lines of the two adjacent gasket plates are cut with the same cutting edge of the tool for cutting outer contour lines and wherein the feed distance is selected to be essentially the same as the extension of the outer contour of a finished gasket plate or a group of finished gasket plates along the direction of feed,
wherein the outer contour of said first gasket plate is provided with a pointed corner,
wherein said second gasket plate is produced by means of a follow-on combination tool, the feed distance with said tool being greater than the extension of the outer contour of said second gasket plate along the direction of feed,
and wherein said first gasket plate and said gasket plate are disposed one on the other to form said multi-plate gasket such that a first outer contour line section of said second gasket plate follows a course of an outer contour line of said first gasket plate and a second outer contour line section of said second gasket plate smoothly adjoins said first outer contour line section of said second gasket layer in the area of said pointed corner of said first gasket plate to provide a corner-free outer contour that projects beyond the pointed corner such that the first metal gasket plate and the second metal gasket plate collectively provide an outermost contour of said multi-plate gasket that is corner-free.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 09/892,052Filed 26 Jun 2001
Priority: DE 100 31 09530 Jun 2000
Published: US 2002/0152612 A124 Oct 2002
Granted: 25 Oct 2005
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

B21D 35/00
Combined processes according to or processes combined with methods covered by groups
B21D 28/06
Punching blanks or articles with or without obtaining scrap ; Notching: making more than one part out of the same blank; Scrapless working
F16J 15/0818
With exclusively metal packing: flat gaskets
F16J 2015/0868
Flat gaskets: aspects not related to the edges of the gasket