Cutting method for inner circumferential face or outer circumferential face of work

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9815120
SERIAL NO

15412699

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A cutting method in which, in cutting a circumferential face of a work, control is enabled to make a cutting velocity constant accurately by using a cutting tool projecting from a main shaft which turns around a predetermined position serving as a center and for which a turning radius is adjustable, wherein, in the case that a turning angular velocity of the main shaft is represented as ω, a distance from a turning center to a tip of the cutting tool is represented as R, and a cutting velocity of the tip of the cutting tool is set to a constant value C, making the cutting velocity of the cutting tool constant by performing control such that ω0 changes in association with a change in the distance R so that

description='In-line Formulae' end='lead'ω=(C2−{dot over (R)}2)1/2/R description='In-line Formulae' end='tail'

is formulated (where {dot over (R)} denotes a time differential of the distance R), thus providing an even cut face.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MATSUURA MACHINERY CORPORATIONFUKUI CITY FUKUI 910-8530

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amaya, Kouichi Fukui, JP 23 41
Igarashi, Tetsuya Fukui, JP 29 154
Kato, Toshihiko Fukui, JP 48 556
Ohashi, Shuichi Fukui, JP 4 0
Takezawa, Yasunori Fukui, JP 9 127

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 May 14, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 14, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00