公开(公告)号：US3596350A

公开(公告)日：1971-08-03

申请号：US3596350D

申请日：1968-09-11

Applicant: MAGNETFAB BONN GMBH

Inventor： STEINGROEVER ERICH

IPC: H01F1/06 ,  H01F41/02 ,  H01F7/06

CPC classification number: H01F1/06 ,  H01F41/0273 ,  Y10T29/49012 ,  Y10T29/49076

Abstract: A process for producing permanent magnets from an isotropic permanent magnet powder which is compressed by means of a magnetic field but which is first exposed to a magnetic field and then loosened whereby the particles of the magnetic powder are particularly adaptable for easy alignment in the magnetic field during compression.

公开(公告)号：US3428370A

公开(公告)日：1969-02-18

申请号：US3428370D

申请日：1965-10-22

Applicant: MAGNETFAB BONN GMBH

Inventor： STEINGROEVER ERICH

IPC: F16C39/06 ,  G01R11/14 ,  F16C35/00

CPC classification number: G01R11/14 ,  F16C32/0436 ,  F16C32/0444 ,  F16C39/063 ,  F16C2370/00

公开(公告)号：US3564654A

公开(公告)日：1971-02-23

申请号：US3564654D

申请日：1969-01-21

Applicant: MAGNETFAB BONN GMBH

Inventor： STEINGROEVER ERICH

IPC: B30B11/00 ,  H01F13/00 ,  H01F41/02 ,  B30B11/02 ,  B30B15/30

CPC classification number: B30B11/008 ,  H01F13/003 ,  H01F13/006 ,  H01F41/0273 ,  Y10S264/58 ,  Y10S425/033

Abstract: AN AUTOMATIC PRESS FOR MAKING PERMANENT MAGNETS FROM MAGNET POWDER WHEREIN A MOLD HAS AN OPENING FOR RECEIVING THE MAGNET POWDER, A PRESS RAM FOR PRESSING THE MAGNET POWDER AND AN ELECTROMAGNET MEANS FOR ESTABLISHING A MAGNETIC FIELD WHILE THE MAGNET POWDER IS BEING PRESSED; THE MAGNET POWDER IS FED INTO THE MOLD

OPENING BY MEANS OF A FILLING DEVICE CARRYING A QUANTITY OF THE MAGNET POWDER, AND A DEMAGNETIZING COIL OPERATIVELY CONNECTED TO THE FILLING DEVICE DEMAGNETIZES THE ADJACENT PARTS OF THE PRESSING TOOL AFTER EACH STOCK OF THE RAM.

公开(公告)号：US3447842A

公开(公告)日：1969-06-03

申请号：US3447842D

申请日：1965-10-20

Applicant: MAGNETFAB BONN GMBH

Inventor： STEINGROEVER ERICH

IPC: F16C39/06 ,  G01R1/10 ,  G01R11/14 ,  F16C35/00

CPC classification number: F16C32/0436 ,  F16C32/0408 ,  G01R1/10 ,  G01R11/14