Drilling machine

Details Drilling machine Drilling machine

1977-10-27

1979-08-07

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

Combined cutting means

Including rotating cutter other than rotating, axially...

408 25, 408 41, 408145, B23B 3922, B23B 4100

Patent

active

041636228

ABSTRACT:
A drilling machine comprising an article holding device and two drilling devices, being characterized that each drilling device has one drill turning in the same direction at a synchronized speed, each drill approaching to or separating from each other symmetrically to make a hole from both sides of a rigid and fragile article made of glass or ceramic e.g. lenses of spectacles at the same time, and that the hole is chamfered and further a groove for fixing the article to the frame is made on the article, as required.

REFERENCES:
patent: 1294779 (1919-02-01), Demers et al.
patent: 2077266 (1937-04-01), Rochte
patent: 2321822 (1943-06-01), Kendis
patent: 2620687 (1952-12-01), Jones et al.
patent: 2941338 (1960-06-01), Santschi
patent: 2978846 (1961-04-01), Barron

Affiliated with

Also associated with

Rating

Drilling machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1523969