公开(公告)号：US3572775A

公开(公告)日：1971-03-30

申请号：US3572775D

申请日：1969-03-10

Applicant: MC DONNELL DOUGLAS CORP

Inventor： BLOOM JOHN C ,  HANBACK FRANK J ,  HAYASE MASASHI ,  ROBINSON NORMAN F ,  WHEELOCK WAYNE S

IPC: F16L13/08

CPC classification number: F16L13/08

Abstract: Metal sleeves joined to metal tubing by brazing or welding processes permit the tubing to be removably secured to fittings in piping systems. Similarly, permanent brazed connections between tubing and fittings eliminates a substantial number of potential leak points and a saving in weight is accomplished.

公开(公告)号：US3502838A

公开(公告)日：1970-03-24

申请号：US3502838D

申请日：1967-07-24

Applicant: MC DONNELL DOUGLAS CORP

Inventor： HAYASE MASASHI ,  ROBINSON NORMAN F

IPC: B23K1/002 ,  B23K13/00

CPC classification number: B23K1/002

公开(公告)号：US3665138A

公开(公告)日：1972-05-23

申请号：US3665138D

申请日：1971-02-22

Applicant: MC DONNELL DOUGLAS CORP

Inventor： EDGE ANDREW F ,  HAYASE MASASHI

IPC: B23K13/00 ,  B23K13/02

CPC classification number: B23K13/00

Abstract: An induction heating tool for welding or brazing tubes and their associated couplings and connectors wherein a split single turn inductor forms a heating chamber when the jaws thereof are closed and locked. When the jaws are opened or in otherwise poor electrical contact the contact surfaces thereof are maintained in electrical communication to prevent arcing thereacross.

公开(公告)号：US3428769A

公开(公告)日：1969-02-18

申请号：US3428769D

申请日：1966-07-26

Applicant: MC DONNELL DOUGLAS CORP

Inventor： CISZEWSKI JOSEPH F ,  HAYASE MASASHI ,  ROBINSON NORMAN F

IPC: B23K1/002 ,  B23K13/02

CPC classification number: B23K1/002