Process for making combination magnetic head

Claim 1

A METHOD OF MAKING SEPARATE ERASE AND RECORDPLAYBACK HEAD HAVING MAGNETIC HOUSINGS INDEXABLE TOGETHER FOR PRECISE GAP ALINEMENT COMPRISING THE STEPS OF: PERIPHERALLY INWARDLY FLANGING A BLANK OF MATERIAL HAVING MAGNETIC PERMEABILITY ALONG THE EDGES THEREOF; OUTWARDLY EMBOSSING SAID BLANK ON ITS BACK WALL TO AN EDGE THEREOF TO COMPRISE A HOUSING; ASSOCIATING TWO HOUSINGS IN OPPOSED RELATION WITH THE FLANGES CONFRONTING EACH OTHER AND THE BOSSES EXTENDING OUTWARDLY OF THE HOUSINGS WITH N NON-MAGNETIC MATERIAL BETWEEN THE FLANGES IN ALINEMENT WITH THE BOSSES TO FORM AN ENCLOSURE ABOUT FLUX PRODUCING MEANS TO COMPRISE AN ERASE HEAD; PERIPHERALLY FLANGING A BLANK OF MATERIAL HAVING MAGNETIC PERMEABILITY ALONG THREE EDGES THEREOF; EMBOSSING OUTWARDLY A PORTION OF THE PERIPHERAL FLANGE ALONG ONE EDGE THEREOF; PARTIALLY CUTTING AND FORMING POLE PIECES FROM THE MATERIAL WITH INTEGRAL CONNECTION MAINTAINED AT THE EDGE OF SAID PORTION; THE CUTTING AND FORMING DISPOSING THE POLE PIECES IN ALINEMENT WITH THE SLOTS FROM WHICH THEY ARE CUT TO COMPRISE A HOUSING; DISPOSING FLUX PRODUCING MEANS ON THE POLE PIECES; ASSOCIATING A PAIR OF SAID LAST MENTIONED HOUSINGS TO CONTAIN SAID FLUX PRODUCING MEANS; FILLING THE HOUSING ENCLOSURE FORMED BY THE ASSOCIATION WITH EPOXY RESIN; CURING SAID RESIN; FINISHING OFF THE SAID EMBOSSED PORTIONS OF SAID LAST MENTIONED HOUSINGS TO DISCONNECT THE POLE PIECES FROM THE HOUSINGS TO COMPRISE A RECORD-PLAYBACK HEAD; AND ASSOCIATING THE ERASE HEAD AND RECORD-PLAYBACK HEAD WITH THE BOSSES OF THE FORMER EMPLOYED IN THE SLOTS OF THE LATTER.

Claim 2

A METHOD OF MAKING SEPARATE ERASE AND RECORDPLAYBACK HEAD HAVING MAGNETIC HOUSINGS INDEXABLE TOGETHER FOR PRECISE GAP ALINEMENT COMPRISING THE STEPS OF: PERIPHERALLY INWARDLY FLANGING A BLANK OF MATERIAL HAVING MAGNETIC PERMEABILITY ALONG THE EDGES THEREOF; OUTWARDLY EMBOSSING SAID BLANK ON ITS BACK WALL TO AN EDGE THEREOF TO COMPRISE A HOUSING; ASSOCIATING TWO HOUSINGS IN OPPOSED RELATION WITH THE FLANGES CONFRONTING EACH OTHER AND THE BOSSES EXTENDING OUTWARDLY OF THE HOUSINGS WITH N NON-MAGNETIC MATERIAL BETWEEN THE FLANGES IN ALINEMENT WITH THE BOSSES TO FORM AN ENCLOSURE ABOUT FLUX PRODUCING MEANS TO COMPRISE AN ERASE HEAD; PERIPHERALLY FLANGING A BLANK OF MATERIAL HAVING MAGNETIC PERMEABILITY ALONG THREE EDGES THEREOF; EMBOSSING OUTWARDLY A PORTION OF THE PERIPHERAL FLANGE ALONG ONE EDGE THEREOF; PARTIALLY CUTTING AND FORMING POLE PIECES FROM THE MATERIAL WITH INTEGRAL CONNECTION MAINTAINED AT THE EDGE OF SAID PORTION; THE CUTTING AND FORMING DISPOSING THE POLE PIECES IN ALINEMENT WITH THE SLOTS FROM WHICH THEY ARE CUT TO COMPRISE A HOUSING; DISPOSING FLUX PRODUCING MEANS ON THE POLE PIECES; ASSOCIATING A PAIR OF SAID LAST MENTIONED HOUSINGS TO CONTAIN SAID FLUX PRODUCING MEANS; FILLING THE HOUSING ENCLOSURE FORMED BY THE ASSOCIATION WITH EPOXY RESIN; CURING SAID RESIN; FINISHING OFF THE SAID EMBOSSED PORTIONS OF SAID LAST MENTIONED HOUSINGS TO DISCONNECT THE POLE PIECES FROM THE HOUSINGS TO COMPRISE A RECORD-PLAYBACK HEAD; AND ASSOCIATING THE ERASE HEAD AND RECORD-PLAYBACK HEAD WITH THE BOSSES OF THE FORMER EMPLOYED IN THE SLOTS OF THE LATTER.