公开(公告)号：US3391236A

公开(公告)日：1968-07-02

申请号：US46954765

申请日：1965-07-06

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F

IPC: H05B3/03

CPC classification number: H05B3/03 ,  Y10S65/04

公开(公告)号：US3384698A

公开(公告)日：1968-05-21

申请号：US53591666

申请日：1966-03-21

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F

IPC: H05B3/03

CPC classification number: H05B3/03

公开(公告)号：US3560189A

公开(公告)日：1971-02-02

申请号：US3560189D

申请日：1968-02-27

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F ,  HANKS GEORGE F

IPC: C03B3/00 ,  C03B5/027 ,  C03B5/04

CPC classification number: C03B5/027 ,  C03B3/00 ,  C03B5/04

Abstract: A SQUARE SHAPED FURNACE HAS DUAL GALL BATCH CHARGERS AT ONE CORNER, AND A THROAT THROUGH WHICH THE MOLTEN GLASS CAN BE WITHDRAWN AT A DIAGONALLY OPPOSITE CORNER. THE FURNACE HAS ROOF WITH A MAXIMUM HEIGHT ALONG A LINE CONNECTING THHE DIAGONALLY OPPOSED CORNERS, AND THE HEIGHT DECREASES TOWARD THE OTHER TWO LATERALLY OPPOSED CORNERS OF THE SQUARE FURNACE. THE MOLTEN GLASS IS HEATED FROM ABOVE BY BURNERS, AND LATERALLY OPPOSED ELECTRODES MOUNTED IN BAYS IN THE FURNACE SIDE WALLS EXTEND INTO THE MOLTEN GLASS FOR JOULE-EFFECT HEATING.

公开(公告)号：US3417187A

公开(公告)日：1968-12-17

申请号：US59908866

申请日：1966-12-05

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F ,  HANKS GEORGE F

IPC: H05B3/03

CPC classification number: H05B3/03 ,  Y10S65/04

公开(公告)号：US3417186A

公开(公告)日：1968-12-17

申请号：US46946065

申请日：1965-07-06

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F

IPC: C03B5/03 ,  C03B5/185

CPC classification number: C03B5/03 ,  C03B5/185 ,  Y10S65/04

公开(公告)号：US3402249A

公开(公告)日：1968-09-17

申请号：US61059367

申请日：1967-01-20

Applicant: EMHART CORP

Inventor： BLUMENFELD JOHN F ,  MERDIAN JOHN T

IPC: H05B3/03

CPC classification number: H05B3/03 ,  Y10S65/04