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Class 249/107 - Means includes single material inlet communicating with plural feed passages leading to single cavity


Subclass of Class 249 - Static molds
Definition: Apparatus having plural material feed lines leading from
No. of patents: 18
Last issue date: 12/26/2006


NumberTitleIssue Date
7153125Molded plastic elbow
An improved molded plastic elbow and a related mold assembly and manufacturing method are provided, wherein the elbow defines an internal flow path having a smoothly radiused inside turn. The elbow is formed by injecting plastic material into a tubular mold cavity f...
12/26/2006
5702731Lateral type molding apparatus for the production of composite insulators
A composite insulator-producing lateral type molding apparatus includes a mold body constituted by a first molding unit and a second molding unit, each of said first and second molding units being provided, at an inner peripheral face, with recesses for t...
12/30/1997
5006059Mold for injection molding of toothed power transmission belt
A mold for injection molding including a cylindrical outer mold and a columnar inner mold. The inner mold is provided, on its external circumferential surface, with a large number of tooth-shaped grooves extending in the axial direction thereof, and it is...
04/09/1991
4952135Apparatus for reduction of mold cycle time
An apparatus is disclosed for the reduction of mold cycle time. A heat recoverable member in a compressed state is placed within a channel defined relative to the surface of a mold. A hardenable liquid used to form the article then flows in an accelerated...
08/28/1990
4886238Apparatus for molding footwear
Apparatus and method for injecting molten plastics material into a midsole cavity by the provision of channels entirely within at least one-half of a split side mold defining sides of the cavity. This arrangement eliminates the problems associated with in...
12/12/1989
4715577Apparatus for injection molding tire treads
Injection molding a tread on an annular tire casing (44) positioned in a mold (10') by introducing a fluid molding compound (76',78') at high pressures and high temperatures into a tread molding space (105) through runner passages (114) extending from an ...
12/29/1987
4604256Process and apparatus for injection molding tire treads
Injection molding a tread on an annular tire casing (44) positioned in a mold (10') by introducing a fluid molding compound (76',78') at high pressures and high temperatures into a tread molding space (105) through runner passages (114) extending from an ...
08/05/1986
4468363Internal mold gating method and apparatus
A process and apparatus for the internal gating of molds used to make a shaped article of aggregate filler infiltrated with a curable binder, including preparing a mold having a cavity and having gating tubes extending through the mold cavity and spaced f...
08/28/1984
4299372Sprue gate for injection molding of plastic articles
The invention contemplates a sprue-gate configuration embodied in one of the cavity-defining parts of a multiple-part mold for injection molding of plastic articles. At the gate region of sprue discharge into the cavity, the sprue converges into communica...
11/10/1981
4264295Injection moulding
In the moulding of plastics material using a female mould cavity into which a number of cores are inserted, in order to prevent deflection of the cores under the action of the injected plastics material, complementarily shaped formations are provided on t...
04/28/1981
4240999Method for introducing multi-component foam reactants into mold form involving the use of a foaming spacer
A method for introducing reactants into molds and articles produced. The method involves placing a body member into a receptacle located on a turntable; aligning the body member within the receptacle; positioning a foaming spacer on the body member around...
12/23/1980
4199315Apparatus for the injection molding of pneumatic tires having symmetrical parts of similar physical characteristics
An apparatus is provided for injection molding a pneumatic tire having corresponding symmetrical parts such as the sidewalls of the tire which are geometrically symmetrical and have substantially the same physical characteristics. The apparatus involves m...
04/22/1980
4028059Multiple dies for ribbon
The invention is an improvement in apparatus for growing crystalline bodies from the melt. The apparatus comprises a crucible and a novel die assembly in which the die assembly is made in two parts and essentially comprises inner and outer concentric memb...
06/07/1977
4023770Injection molding die system
A transfer structure for a stacked injection molding die comprising: Two transfer tubes connected to a stack molding die and connected together by a knuckle joint so that molten plastic can flow from the runner in one of the parts of the stack molding die thro...
05/17/1977
4012025Mold for plastics, particularly multi-component plastics injection mold having blind channel
A mold including a blind channel connected to the sprue runner so that the first material entering the mold will be trapped in the blind channel....
03/15/1977
3995008Molded plastic battery container
A battery container made of molded plastic and preferably formed in a single unitary structure. The container comprises a generally rectangular hollow container with a closed bottom and an open top. A plurality of internal partitions formed as integral pa...
11/30/1976
3977821Apparatus for making a partitioned container
Apparatus is disclosed for injection molding a partitioned container having four sidewalls, an open top and a closed bottom. Thermoplastic material from a primary sprue flows through a runner system to inlet gates disposed to open into the mold cavity in ...
08/31/1976
3951375Balanced runner system for injection molding apparatus
A balanced runner system for injection moulding apparatus is disclosed. The runner system has an inlet, a plurality of runners and five gates. One of the gates is centrally located, the remaining gates being symmetrically spaced about the centrally locate...
04/20/1976
 
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