公开(公告)号：US11446839B2

公开(公告)日：2022-09-20

申请号：US16892256

申请日：2020-06-03

Applicant: SOFRADIM PRODUCTION SAS

Inventor： Stephane Rochet ,  Thomas Vial

IPC: B26D7/01 ,  B26D7/20 ,  D06H7/02 ,  B25B11/00

Abstract: The present invention relates to a porous support (20) intended to be removably positioned on a top side (11b) of a perforated plate (11) of a table (10) of a vacuum hold down device (1), the perforated plate having a bottom side (11a) connected to a vacuum system (13) for producing reduced pressure on the bottom side, wherein the porous support includes a perforated tray (21) provided on one side (21a) with outer reliefs (23) and on the other side (21b) with a blade penetrable porous structure (22) fixed thereon. The invention further relates to a vacuum hold down device (1) including such a support. The invention also relates to a process for replacing a first porous support by a second porous support in such a device.

公开(公告)号：US20200316804A1

公开(公告)日：2020-10-08

申请号：US16892256

申请日：2020-06-03

Applicant: SOFRADIM PRODUCTION SAS

Inventor： Stephane Rochet ,  Thomas Vial

IPC: B26D7/01 ,  B25B11/00 ,  D06H7/02 ,  B26D7/20

Abstract: The present invention relates to a porous support (20) intended to be removably positioned on a top side (11b) of a perforated plate (11) of a table (10) of a vacuum hold down device (1), said perforated plate having a bottom side (11a) connected to a vacuum system (13) for producing reduced pressure on said bottom side, wherein the porous support comprises a perforated tray (21) provided on one side (21a) with outer reliefs (23) and on the other side (21b) with a blade penetrable porous structure (22) fixed thereon. The invention further relates to a vacuum hold down device (1) comprising such a support. The invention also relates to a process for replacing a first porous support by a second porous support in such a device.