Lawrence J Plutschuck

48405183, Jun 20, 1989

Dec 27, 1988

7/290599

Lawrence Plutschuck - Warren MI
James E. Ochenski - Warren MI

GTE Valenite Corporation - Troy MI

B23C 502

407113

A disposable indexable cutting insert having opposed irregularly curved cutting edges and a smooth continuous transition along each cutting edge and a corresponding radiused corner edge.

57758557, Jul 7, 1998

Jun 8, 1995

8/480609

Lee Reiterman - Royal Oak MI
James D. Lark - West Bloomfield MI
Lawrence Plutschuck - Warren MI
Paul R. Doxen - Clinton Twsp. MI

Valenite Inc. - Madison Hts. MI

B23C 502

407 42

An insert for milling applications in which a radial rake face includes a concave conical portion defined to achieve constant positive radial rake throughout the length of a radial cutting edge at the angle of inclination thereof as the insert is intended to be mounted in a cutter body. The insert includes an axial rake face having a sloping portion defined to achieve positive axial rake as the insert is intended to be mounted in a cutter body. The upper surface of the insert includes planar regions and bend surfaces merging smoothly with the radial rake faces and axial rake faces to assist in chip expulsion during cutting.

51637880, Nov 17, 1992

Jan 10, 1991

7/639601

Gary Dahl - Troy MI
Lawrence J. Plutschuck - Warren MI

GTE Valenite Corporation - Troy MI

B26D 112

407 46

A rotary slotting tool that includes a circular tool body having a V-shaped groove in its peripheral edge to establish a centering plane for individual cutter element holders. A pocket is formed in the leading face of each holder for mounting an individual cutter element. The pocket structure configuration is varied between successive holders so that successive cutter elements overhang different side faces of the associated holders. A common cutter element configuration is used for all of the cutter elements.

49348787, Jun 19, 1990

Dec 27, 1988

7/289946

Lawrence Plutschuck - Warren MI
Thomas Conrad - Madison Heights MI

GTE Valenite Corporation - Troy MI

B26D 112

407 42

A center cutting end mill incorporating indexable inserts with positive axial rake angles. Multisegmented rake faces provide support for positive rake cutting edges enabling an improved feed rate.

47085436, Nov 24, 1987

Apr 5, 1985

6/720570

Lawrence Plutschuck - Warren MI
Carl E. Hunt - Milford MI

GTE Valeron Corporation - Danvers MA

B23B 29034

408151

Coarse radially adjustable tool holder employing eccentric adjustment ring combined with linear guide means confining tool point to linear adjustment path within fine adjustment eccentric bushing such as provided by "Briney Precision Adjustment Tool".

55162410, May 14, 1996

Jun 27, 1994

8/266057

Lawrence Plutschuck - Warren MI
Stanley Mickel - Ortonville MI

Valenite Inc. - Madison Heights MI

B26D 100
B23B 2914
B23B 2704

407110

A holder blade is provided which includes an elongated member including an insert cavity for securing an insert in place. The insert cavity includes opposing surfaces which include V-shaped lengths which engage corresponding V-shaped lengths provided in opposite surfaces of the insert. A camming action is provided so that the opposing surfaces of the insert cavity may tightly grip the insert.