Patents

Superior Quality and Performance

Patents logo. A large egale bird in the centre standing on a united states flag with arrows and a tree leaf in its feet. In the shape of a circle.

Many of Castool products and processes are "PATENTED"

Castool has done excellent work over the years and as a result of the superior quality and performance of our tools, we patented some of our outstanding works. You cand find the patented components in this page.

This outlines what to look for when identifying product or technologies that possibly overlap with CASTOOL patents.

Extrusion
Die Casting
Die Ovens
Containers
Dummy Blocks
Diagram of a 4 Sided Die oven.A large box in the centre and a small box off to the right side.
A Diagram of a 4 Sided Die oven. A large box in the centre and a small box off to the right side.
What we are looking for: ANY Extrusion Die Pre-heating Device having:
  • Oven with 1st group of heating elements on 1st pair opposing walls and 2nd group of heating elements on 2nd pair opposing walls
  • Controller for operating the groups of heating elements independently
A large drawing showing a diagram air cooled Container.
What we are looking for: ANY Metal Extrusion Press Container having:
  • Outer mantile
  • Subliner
  • Liner accommodated inside of subliner and having passage for receiving billet; and
  • Longitudinal heating elements in subliner in close proximity liner
A large drawing showing a diagram air cooled Container.
What we are looking for: ANY Metal Extrusion Press Container having:
  • Outer mantle
  • Liner having passage for receiving billet
  • Longitudinal heating elements in mantle
  • Serpentine cooling groove in upper surface of mantile
Diagram of pre heating containers, A control centre is connected to the hoist carrying die then that gets put in the die oven.
What we are looking for: ANY Die Pre-Heating System having:
  • One or more die ovens
  • Robotic Hoist
  • Processor for controlling the hoist and the lid actuator of the die oven(s)
A drawing of a diagram of Patent Dummy Blocks showing base, connecting rings with inward fingers, collar with recesses, and movable plunger coupled to base.
What we are looking for: ANY Dummy Block for a Metal Extrusion Press having:
  • Base
  • Collar having inner outer recesses
  • Moveable plunger coupled to base
  • Connection ring coupling collar to base, with inward fingers engaging recesses on collar
A drawing of a diagram of Patent Dummy Blocks. Showing support sleeve, and base. Collar and Rib. And movable plunger.
What we are looking for: ANY Dummy Block for a Metal Extrusion Press having:
  • Base having forward surface
  • Collar having inner rib couple to base
  • Support sleeve mounted to base and abutting collar
  • Moveable plunger abutting forward surface of base
Allper
Shot Sleeve
Plunger Tips
Allper piston diagram, showing piston cover, bayonet connectors, bushing, piston body, and a piston carrier in a row how it would be put together.
What we are looking for: ANY Die-Casting Piston having:
  • Piston cover
  • Piston body supporting bushing
  • Piston carrier
  • Bayonet connectors on piston cover and on piston
A drawing of a diagram of Die Casting Piston showing the piston head, sleeve and inner carrier.
What we are looking for: ANY Die-Casting Piston having:
  • Piston head, made 1st material
  • Inner carrier coupled to piston head
  • Wear ring mounted on piston head and made of 2nd material with higher hardness and lower toughness than 1st material
  • Piston head, made of any of AISI grade 4340, 300M or 4140 steel
  • Inner carrier coupled to piston head
  • Sleeve on inner carrier
  • Wearing ring mounted on piston head
A drawing of a shot sleeve liner diagram, showing the sleeve insert, sleeve liner and the body. A large rectangle.
What we are looking for: ANY Die-Casting Shot Sleeve having:
  • Body having an axial bore
  • Sleeve liner formed on bore surface
  • Sleeve insert abutting the liner
A drawing showing ring slots, a large round circle with cut outs.
What we are looking for: ANY Wear Ring for a Die-Casting Piston having:
  • Ring-shaped body with cut having 2 pairs of opposing faces
  • One or more slots on face of body
A drawing of how to connect a plunger tips.
A curved bar with a zig zag linge in the middle showing plunger tips drawing.
What we are looking for: ANY Wear Ring for a Die-Casting Piston having:
  • Ring-shaped body with cut having 2 pairs of opposing faces
  • Opposing faces are angled to allow faces to contact each other flush manner when ring is compressed

UNITED STATES PATENT

Grants to the person(s) having title to this patent the right to exclude others from making, using, offering for sale, or selling the invention throughout the United States of America or importing the invention into the United State of America, and if the invention is a process, of the right to exclude other from using, offering for sale or selling throughout the United State of America, or importing into the United States of America, products made by that process, for the term set forth in 35 U.S.C. 154(a)(2) or (c)(1), subject to the payment of maintenance fees as provided by 35 U.S.C. 41(b). See the Maintenance Fee Notice on the inside of the cover.

The Director of the United States Patent and Trademark Office

Has received an application for a patent for a new and useful invention. The title and description of the invention are enclosed. The requirements of law have have been complied with, and it has been determined that a patent on the invention shall be granted under the law.