PatentVote.com: Vote on your favourite invention!

Next ten patents ordered by date:
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Shaping-and-cutting broach

Abstract: A shaping-and-cutting broach comprising cutting and gauging teeth and a shaping element located before the cutting teeth, said shaping element provided with projections on its surface which contacts the machined surface. Owing to said projections each cutting tooth has a continuous cutting edge and this, in turn, increases the strength of the tool as a whole and reduces the cost of its manufacture and operation.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Dvorov, Jury Ivanovich
Orlov, Vladislav Evgenievich (ULIT, SA)

Application Number: 664069
Filing Date: 1976-03-05
Publication_date: 1977-03-22
Assignee:
Primary Class(es): 407/13 29/90.01
Other Classes:
US Patent Ref:
1197132Sep, 1916LaPointe29/95.
2140146Dec, 1938Tautz29/95.
3097426Jul, 1963Hill29/567.
3317984May, 1967Jacobson29/95.
3439398Apr, 1969Zawacki et al.29/95.

Other Refs: 533,274
Feb, 1941UK

Primary Examiner: Vlachos Leonidas
Assistant Examiner:
Attorney: Fleit & Jacobson