John J Ewing

US Patent:

46664920, May 19, 1987

Filed:

Dec 11, 1985

Appl. No.:

6/807630

Inventors:

Edward A. Thimons - Tarentum PA
Robert G. Frank - Murrysville PA
Michael T. Fecik - Pittsburgh PA
George R. Claassen - New Kinsington PA
John J. Ewing - Tarentum PA
Samuel L. Seymour - Oakmont PA
Joseph C. Pavlik - Natrona Heights PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 23023

US Classification:

65 29

Abstract:

A heat softened glass sheet is lifted within a heating furnace by a vacuum pickup and moved to a shaping station adjacent the furnace where it is deposited on an aligning frame. The location of the sheet is identified and the frame is moved to position the supported glass sheet at a predetermined location between a pair of vertically aligned upper and lower full surface press faces. A shuttle frame which moves the vacuum pickup has integral vacuum passageways so that vacuum for the pickup can be drawn through the shuttle frame.

US Patent:

46664963, May 19, 1987

Filed:

Dec 6, 1985

Appl. No.:

6/805679

Inventors:

Michael T. Fecik - Pittsburgh PA
John J. Ewing - Tarentum PA
Joseph C. Pavlik - Natrona Heights PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 23033

US Classification:

65273

Abstract:

A shuttling frame to support and move a vacuum pickup from a heating furnace to a shaping station. Vacuum for the pickup is drawn through the shuttling frame. The frame slidably engages a fixed guide rail along a longitudinally extending edge and slides on a set of rolls along the opposing edge such that the frame can expand both longitudinally and transversely without buckling.

US Patent:

45564086, Dec 3, 1985

Filed:

Aug 2, 1984

Appl. No.:

6/637103

Inventors:

Michael T. Fecik - Pittsburgh PA
Robert G. Frank - Franklin Township, Venango County PA
John J. Ewing - Tarentum PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 2302

US Classification:

65289

Abstract:

A tempering ring for supporting a hot shaped glass sheet during tempering has inner and outer rings conforming in shape and outline to that of the hot glass sheet. Individual glass sheet support members are mounted around the perimeter of the tempering ring so that the glass sheet support surfaces of the support members define a peripheral contour similar to that of the hot shaped glass sheet. The glass sheet support members are each adjusted in both a longitudinal and vertical direction.

US Patent:

46611398, Apr 28, 1987

Filed:

Dec 10, 1985

Appl. No.:

6/807088

Inventors:

Thomas J. Reese - Sarver PA
John J. Ewing - Tarentum PA
Michael T. Fecik - Pittsburgh PA
Robert G. Frank - Murrysville PA
Terry A. Bennett - Monroeville PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

B65H 308

US Classification:

65106

Abstract:

A pair of heat softened overlaying glass sheets are held by vacuum against an apertured engaging surface of a vacuum holder. The overlaying glass sheets can be shaped before, during, or after being held by the vacuum holder.

US Patent:

44301111, Feb 7, 1984

Filed:

Jul 28, 1982

Appl. No.:

6/402672

Inventors:

George R. Claassen - New Kensington PA
John J. Ewing - Tarentum PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 23035

US Classification:

65114

Abstract:

In the bending and tempering of sharply bent glass sheets supported on a ring-like member for conveyance of the bent glass sheet through a cooling station, a transfer device for unloading the sharply bent, tempered glass sheet is provided. The transfer device is so constructed and arranged that it does not cause a bottleneck in high speed, mass production of sharply bent, tempered glass sheets, avoids uncontrolled departures from the desired shape of the bent, tempered glass sheets, particularly those that develop in the marginal edge portion of the glass sheets that must fit exactly into glass sheet receiving frames of installation structures or vehicles, provides clearance for the sharply bent glass sheets and enables the glass sheet to transfer so gently as to inhibit the likelihood of breakage resulting from uncontrolled dropping of bent, tempered glass sheets during their handling.

US Patent:

51183358, Jun 2, 1992

Filed:

Oct 1, 1990

Appl. No.:

7/590713

Inventors:

George R. Claassen - New Kensington PA
Robert G. Frank - Sarver PA
Rudolph A. Karlo - Natrona Heights PA
John J. Ewing - Tarentum PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 2700
C03B 3514

US Classification:

65348

Abstract:

Apparatus for handling a hot glass sheet during conveyance from a hot atmosphere to a cold atmosphere comprising a ring-like member having an upper surface engaging a glass sheet outline that consists essentially of a phenolic resin reinforced with fibers composed of an aromatic polyamid composition and a support ring attached to the ring-like member in facing relation to the ring-like member and sufficiently smaller in the dimensions than those of the ring-like member to permit the ring-like member to interpose between the support ring and a supported edge of a glass sheet so as to provide thermal insulation as well as shielding between the metal support rings and the edge of the glass sheet.

US Patent:

43314643, May 25, 1982

Filed:

Mar 2, 1981

Appl. No.:

6/239780

Inventors:

George R. Claassen - New Kensington PA
John J. Ewing - Tarentum PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 2302

US Classification:

65273

Abstract:

A ring-like member for transporting a glass sheet through a cooling station comprising an open-ended outline rail having a transverse space between its ends and a rail member supported between the ends of said outline rail, to occupy a portion of said space. Preferably, a cantilever support that is located entirely within said outline rail and has no structural elements aligned longitudinally of the relatively short spaces between the ends of said outline rail and the ends of said rail member, supports said rail member in a position it would occupy if it were part of said outline rail if its open end were closed.

US Patent:

44708351, Sep 11, 1984

Filed:

Nov 15, 1982

Appl. No.:

6/441345

Inventors:

Michael T. Fecik - Pittsburgh PA
Robert G. Frank - Murrysville PA
John J. Ewing - Tarentum PA
George R. Claassen - New Kensington PA

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C03B 2303

US Classification:

65106

Abstract:

A deformable vacuum mold for shaping glass sheets to complicated shapes includes mold stiffening structure engaging the central portion of the mold, mold lifting means engaging the longitudinal end portions of the vacuum mold to lift the latter relative to the mold stiffening structure and optional bar means adjustable in position and orientation to provide local control imparted to the shape of the vacuum mold when the longitudinal end portions of the mold are lifted. The deformable vacuum mold may also include a pair of lifting means providing different amounts of lift to the longitudinal end portions on opposite sides of the longitudinal center line of the mold and approximately equal amounts of lift to the longitudinal end portions on opposite sides of the transverse center line of the mold.