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US4702686A Expired / Lapsed US ⏱️ 0.0 years remaining

Nozzle for a synthetic plastic injection molding machine

Assignee: INCOE EXP Inc
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Filing: 1985-07-12
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Granted: 1987-10-27
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Expires: 2005-07-12
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Abstract

Abstract Nozzle for synthetic plastic injection molding machines made up of a shaft including a flow channel for plastic material and equipped with a tip. The flow channel is divided so that the plastic flows in two partial channels prior to reaching the tip. The shaft is made of a tube segment. The forward frontal orifice of the tube segment has a small plate tapering into a point. The point protrudes past the shaft. The tube segment at its frontal orifice has both an internal and an external turned recess. The internal recess serves as a seat for the small plate. The external recess serves as a seat for a nozzle cap, which comprises the injector orifice of the nozzle and serves to hold the small plate in place. The small plate has a shoulder at the transition to the tapering area to serve as a contact surface for a corresponding shoulder formed in the nozzle cap.

Inventors

  • 👤 Kurt Gauler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:47
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 157 words
A nozzle for synthetic plastic injection molding machines comprising: a shaft with a tip and flow channel for the transport of plastic material; said shaft having a tubular segment terminating in a frontal orifice; a small plate mounted in the frontal orifice dividing the flow channel into two partial channels prior to the tip, said small plate having a rectangular area and an area tapering to a frontal point from a transition point of said rectangular area, where said frontal point protrudes past the tip of the shaft; and means for holding said small plate in place comprising a nozzle cap with an injector orifice mounted on said shaft tip configured to hold said small plate in place; said tubular segment having an internal bore and an external bore at the frontal orifice with said internal bore serving as a seat for the small plate and the external bore serving as a seat for said nozzle cap.
Claim 2
Dependent Claim 157 words
A nozzle for synthetic plastic injection molding machines comprising: a shaft with a tip and flow channel for the transport of plastic material; said shaft having a tubular segment terminating in a frontal orifice; a small plate mounted in the frontal orifice dividing the flow channel into two partial channels prior to the tip, said small plate having a rectangular area and an area tapering to a frontal point from a transition point of said rectangular area, where said frontal point protrudes past the tip of the shaft; and means for holding said small plate in place comprising a nozzle cap with an injector orifice mounted on said shaft tip configured to hold said small plate in place; said tubular segment having an internal bore and an external bore at the frontal orifice with said internal bore serving as a seat for the small plate and the external bore serving as a seat for said nozzle cap.
Claim 3
Dependent Claim 39 words
A nozzle for synthetic plastic injection molding machines as in claim 1, wherein said small plate has a shoulder at the transition point, said shoulder serving as the contact surface for a corresponding shoulder formed in the nozzle cap.

References Cited (Backward Citations)

US2500401A Cited
US3762849A Cited
US4285660A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-10-26 1991-04-27 1991-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-10-26 1995-04-27 1995-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-10-26 1999-04-27 1999-10-27 $7700.00 Window Closed / Lapsed

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