David M Kopena

Address:

8659 E Henderson Trl, Inverness, FL 34450

VIN:

4T1BE46K87U674261

Make:

TOYOTA

Model:

CAMRY

Year:

2007

US Patent:

43410030, Jul 27, 1982

Filed:

Aug 4, 1980

Appl. No.:

6/175111

Inventors:

David M. Kopena - Grand Rapids OH

Assignee:

Owens-Corning Fiberglas Corporation - Toledo OH

International Classification:

B23P 1904

US Classification:

29239

Abstract:

A method and apparatus for separating rolls of web material of the type where two or more rolls are attached at the side edges thereof comprising passing the first roll between an upper and lower conveyor defining a first path of travel, and simultaneously passing each attached roll between additional upper and lower conveyors defining a path of travel for each attached roll, where the path of travel for each roll is sufficiently vertically separated from its immediately adjacent path that the rolls passing therethrough are separated.

US Patent:

44472498, May 8, 1984

Filed:

Aug 16, 1982

Appl. No.:

6/408397

Inventors:

David M. Kopena - Grand Rapids OH

Assignee:

Owens-Corning Fiberglas Corporation - Toledo OH

International Classification:

C03B 3703
C03B 3707

US Classification:

65 44

Abstract:

Method and apparatus are disclosed for recovering blowing wool from an air stream by introducing the stream out aa drum rotating in a sealed shroud, the speed of rotating be adjusted in response to the pressure differential across the surface of the drum.