| Patent Number |
Title Of Patent |
Date Issued |
| RE40584 |
Nozzle end for multiple tipped injection molding nozzle |
November 25, 2008 |
| A nozzle end is provided for removable mounting to a nozzle body for use in multiple-tipped molding applications such as edge-gated systems. The nozzle end is made of a highly thermally conductive material and is preferably inserted at least partially inside the forward end of the he |
| RE40478 |
Valve pin with thermocouple |
September 2, 2008 |
| A valve pin for use in a melt channel in an injection molding machine. The valve pin has a valve pin body and at least one thermocouple substantially completely inside the valve pin body. |
| 7445444 |
Insert for an injection molding apparatus |
November 4, 2008 |
| An injection molding hot runner apparatus and insert assembly for use in a manifold of the apparatus. The apparatus includes a mold manifold, a cylindrical insert for redirecting melt within the mold manifold, and an expandable sleeve surrounding the insert. When the manifold, insert and |
| 7438551 |
Compact cartridge hot runner nozzle |
October 21, 2008 |
| The present invention provides an electrically heated nozzle for injection molding which is insulated to prevent conduction of electricity and loss of thermal transmission to the casing, wherein at least a part of the electrical insulation comprises a layer of dielectric insulator materi |
| 7416402 |
Sprue bushing anti-drool device |
August 26, 2008 |
| An anti-drool mechanism suitable for use in an injection molding system is provided herein. An injection molding machine includes a retractable machine nozzle for injecting a melt stream into a manifold. Between the machine nozzle and the manifold is an anti-drool mechanism, which in |
| 7413432 |
Compact cartridge hot runner nozzle |
August 19, 2008 |
| The present invention provides an electrically heated nozzle for injection molding which is insulated to prevent conduction of electricity and loss of thermal transmission to the casing, wherein at least a part of the electrical insulation comprises a layer of dielectric insulator materi |
| 7410354 |
Valve gated nozzle having a valve pin with a sensor |
August 12, 2008 |
| An injection molding apparatus includes a manifold for delivering a melt stream of moldable material to a nozzle melt channel of a nozzle. A valve pin extends through the nozzle melt channel and is axially movable to selectively open a gate to allow communication with a mold cavity. A |
| 7410353 |
Edge gated injection molding apparatus |
August 12, 2008 |
| An edge gated injection molding apparatus includes a manifold having a manifold channel for receiving a melt stream of moldable material under pressure. A nozzle is coupled to the manifold and a nozzle melt channel of the nozzle receives the melt stream from the manifold channel. A mold |
| 7407380 |
Valve pin bushing with vent channels for an injection molding apparatus |
August 5, 2008 |
| An injection molding apparatus includes a manifold having a manifold channel for receiving a melt stream from a source. A nozzle having a nozzle channel receives the melt stream from the manifold channel and delivers the melt stream to a mold cavity through a mold gate. A valve pin b |
| 7407379 |
Injection molding nozzle |
August 5, 2008 |
| An injection molding apparatus is disclosed that includes a manifold having at least one manifold melt channel therethrough, a mold plate defining a gate for transmitting melt flow to a mold cavity, and at least one nozzle including a nozzle body and nozzle tip defining a nozzle melt |
| 7396226 |
Nozzle sealing assembly |
July 8, 2008 |
| A nozzle sealing assembly includes a cup-shaped nozzle seal cap and a sealing ring. The nozzle seal cap is coupled to a nozzle body and surrounds a tip portion of the nozzle body. The sealing ring is coupled to an outer surface of the nozzle seal cap and provides a sealing surface th |
| 7381050 |
Snap on flange for injection molding nozzle |
June 3, 2008 |
| A nozzle for an injection molding apparatus, including a nozzle body having a nozzle melt channel for receiving a melt stream from a manifold melt channel, and a collar mounted on the nozzle body. One of the nozzle body and the collar has a shoulder formed therein and the other of the |
| 7377768 |
Hot runner nozzle with removable sleeve |
May 27, 2008 |
| An injection molding hot runner nozzle includes a nozzle body comprising a nozzle core, a nozzle tip, and a melt passage extending through the nozzle body for conveying melt from a manifold through the nozzle tip and to a gate of a mold cavity. A cylindrical sleeve is disposed around the |
| 7370417 |
Method of installing a mold gate insert in an injection molding apparatus |
May 13, 2008 |
| An injection molding apparatus including an injection manifold having a manifold melt channel, a mold plate having a mold bore, and a hot runner nozzle located in the mold bore and having a nozzle melt channel. A mold insert including a melt channel includes an upper end adjacent the |
| 7364426 |
Distribution assembly for an injection molding apparatus |
April 29, 2008 |
| An injection molding apparatus includes a manifold having a manifold channel for receiving a melt stream of moldable material from a source and delivering the melt stream to a nozzle channel of a nozzle. A mold cavity communicates with the nozzle channel to receive the melt stream th |
| 7364425 |
Valve-gated injection molding nozzle having an annular flow |
April 29, 2008 |
| A valve-gated nozzle in an injection molding machine allows for smooth, blended melt flow into a mold cavity. In one example, this is accomplished through use of a valve-gated nozzle having a nozzle body with a nozzle melt channel in fluid communication with a manifold melt channel a |
| 7347684 |
Adjustable valve pin actuator for an injection molding apparatus |
March 25, 2008 |
| An actuator for a valve pin of an injection molding apparatus includes an adjustment piece coupled to a valve pin via a connector and axially movable relative to a piston to adjust an axial position of the valve pin relative to a mold gate. A removable locking device restricts axial |
| 7344372 |
Injection molding nozzle having an annular flow tip |
March 18, 2008 |
| A nozzle in an injection molding machine allows for smooth, blended melt flow into a mold cavity. In one example, this is accomplished through use of a nozzle having a nozzle body with a nozzle melt channel in fluid communication with a manifold melt channel and a nozzle tip. The nozzle |
| 7326049 |
Cast hot runner manifold for injection molding apparatus |
February 5, 2008 |
| The present invention is an injection molding apparatus having a cast manifold. The manifold is made from a cast block and includes at least one pipe and a junction component fixed therein. The junction component has an axial bore having a first end and a second end, and at least one |
| 7320590 |
Manifold plug for an injection molding apparatus |
January 22, 2008 |
| An injection molding apparatus includes a manifold having a manifold channel for receiving a melt stream of moldable material under pressure and delivering the melt stream to a nozzle channel of a nozzle. The manifold includes a manifold plug fit within a bore thereof and having a pl |
| 7320589 |
Hot runner manifold plug for rheological balance in hot runner injection molding |
January 22, 2008 |
| A method and apparatus for rotating a cross-sectional asymmetrical condition of a laminar flowing material is provided in a hot runner system for supplying a laminar flowing material. The hot runner system has (i) an upstream melt passage, (ii) a pair of intermediary melt passages do |
| 7320588 |
Distribution assembly for an injection molding apparatus |
January 22, 2008 |
| An injection molding apparatus includes a manifold having a manifold channel for receiving a melt stream of moldable material from a source and delivering the melt stream to a nozzle channel of a nozzle. A mold cavity communicates with the nozzle channel to receive the melt stream th |
| 7314367 |
Hot runner nozzle collar for an injection molding apparatus |
January 1, 2008 |
| A collar for an injection molding apparatus includes an upstream end for maintaining a head of a hot runner nozzle in contact with an outlet surface of a manifold and a downstream end for abutting a mold plate. An inner surface of the collar contacts an outer surface of the nozzle in |
