Joseph C Kelly

US Patent:

46069461, Aug 19, 1986

Filed:

Jul 12, 1985

Appl. No.:

6/754510

Inventors:

Paul F. Duffer - Creighton PA
Joseph D. Kelly - Cheswick PA
Helmut Franz - Pittsburgh PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B05D 302
B32B 1500
B32B 1708
B32B 2300

US Classification:

427384

Abstract:

A method is disclosed for applying a powdered interleaving material to a glass surface in the form of an aqueous composition comprising particulate interleaving material dispersed in atomized water.

US Patent:

44191766, Dec 6, 1983

Filed:

Sep 15, 1982

Appl. No.:

6/418323

Inventors:

James L. Valimont - Cheswick PA
Joseph D. Kelly - Cheswick PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B32B 1700
B65H 2924

US Classification:

156556

Abstract:

This invention relates to an arrangement of vacuum cups in a bent glass sheet sandwich assembly apparatus and a method of using said arrangement that provides a temporary bias to the central portion of a bent glass sheet to insure that a flexible sheet of interlayer material applied to the bent glass sheet initially engages its central portion and the area of engagement extends gradually to the edge of the sheets to avoid entrapment of air or other vapors in the interface of the resulting subassembly. When another bent glass sheet is applied to the opposite surface of the flexible sheet of interlayer material, the subassembly is temporarily biased once more to insure initial engagement in the central portion gradually extending to the edge of the sheets to avoid entrapment of air or other vapors in the interface of the subassembly with the second bent glass sheet.

US Patent:

42772990, Jul 7, 1981

Filed:

Jun 18, 1979

Appl. No.:

6/049673

Inventors:

Joseph Cherenko - Valencia PA
William I. Frey - Curtisville PA
Joseph D. Kelly - Cheswick PA
Larry S. Sokol - West Palm Beach FL

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B32B 1710
B32B 3104
C04B 3568

US Classification:

156242

Abstract:

A transparent safety glass laminate having an optically acceptable exposed plastic surface is fabricated by laminating an outer glass sheet and an inner preformed plastic sheet under heat and pressure with the plastic surface to be exposed supported against an optically smooth mold, preferably a second glass sheet, which is coated with an optically smooth coating of a material which acts as a release agent to facilitate separation of the plastic surface from the mold after lamination.

US Patent:

45296480, Jul 16, 1985

Filed:

Jan 28, 1981

Appl. No.:

6/229220

Inventors:

Paul F. Duffer - Creighton PA
Joseph D. Kelly - Cheswick PA
Helmut Franz - Pittsburgh PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B32B 1500
B32B 1708
B32B 2300

US Classification:

428326

Abstract:

A method is disclosed for applying a powdered interleaving material to a glass surface in the form of an aqueous slurry.

US Patent:

46105794, Sep 9, 1986

Filed:

May 9, 1985

Appl. No.:

6/732124

Inventors:

Robert G. Frank - Murrysville PA
Joseph A. Noca - Irwin PA
Joseph B. Kelly - Crestline OH
Robert L. Bowers - Bellville OH

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B23B 5104
B23B 5106

US Classification:

408 60

Abstract:

A bit for a core drill of the type for drilling a chamfered hole in an article has a dynamic cooling fluid flow directing element for cooling the bit and article surfaces during drilling and chamfering of the article.

US Patent:

44474962, May 8, 1984

Filed:

Jul 23, 1982

Appl. No.:

6/401179

Inventors:

Helmut Franz - Pittsburgh PA
Paul F. Duffer - Creighton PA
Joseph D. Kelly - Cheswick PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B32B 1706
B32B 1710

US Classification:

428432

Abstract:

A method is disclosed for protecting glass surfaces in a stack of glass sheets by treating the surfaces with an organotin compound and separating adjacent surfaces with an interleaving material.

US Patent:

44891067, Dec 18, 1984

Filed:

Sep 29, 1982

Appl. No.:

6/427398

Inventors:

Paul F. Duffer - Creighton PA
Helmut Franz - Pittsburgh PA
Joseph D. Kelly - Cheswick PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B05D 136

US Classification:

427154

Abstract:

A method is disclosed for protecting glass surfaces in a stack of glass sheets by treating the surfaces with a stain-inhibiting organic hydroxy acid and separating adjacent surfaces with an interleaving material.

US Patent:

43680879, Jan 11, 1983

Filed:

Jul 28, 1981

Appl. No.:

6/287600

Inventors:

James L. Valimont - Cheswick PA
Joseph D. Kelly - Cheswick PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B32B 1700

US Classification:

156102

Abstract:

This invention relates to an arrangement of vacuum cups in a bent glass sheet sandwich assembly apparatus and method of using said arrangement that provides a temporary bias to the central portion of a bent glass sheet to insure that a flexible sheet of interlayer material applied to the bent glass sheet initially engages its central portion and the area of engagement extends gradually to the edge of the sheets to avoid entrapment of air or other vapors in the interface of the resulting subassembly. When another bent glass sheet is applied to the opposite surface of the flexible sheet of interlayer material, the subassembly is temporarily biased once more to insure initial engagement in the central portion gradually extending to the edge of the sheets to avoid entrapment of air or other vapors in the interface of the subassembly with the second bent glass sheet.