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David Morgan (engineer)

David John Morgan is a British engineer who claims to have invented the plastic traffic cone in 1960. His company produced most of the worlds traffic cones. He has the world record for the largest collection of traffic cones, which numbers over 500.

Near net shape

Near net shape is an industrial manufacturing technique. The name implies that the initial production of the item is very close to the final shape, reducing the need for surface finishing. Reducing traditional finishing such as machining or grind ...

Parting line

A parting line, in industrial casting of molds, is the border line in which draft angles change direction. That is, it is the dividing line that splits the core and cavity halves of a molded part. It is sometimes a starting point for the mold par ...

Plastic compounding

Compounding consists of preparing plastic formulations by mixing and/or blending polymers and additives in a molten state to achieve the desired characteristics. These blends are automatically dosed with fixed setpoints usually through feeders/ho ...

Plastic forming machine

A plastic forming machine, or plastic molding machine, is developed on the basis of rubber machinery and metal die-casting machine. Since the polymer injection molding process and molding equipment in the 1870s, as an industry, plastic forming ma ...

Plastic resin pellet pollution

Plastic resin pellet pollution is a type of marine debris originating from plastic particles utilized in manufacturing large-scale plastics. These pre-production plastic pellets are created separately from the user plastics they are melted down t ...

Plastics extrusion

Plastics extrusion is a high-volume manufacturing process in which raw plastic is melted and formed into a continuous profile. Extrusion produces items such as pipe/tubing, weatherstripping, fencing, deck railings, window frames, plastic films an ...

Plastisol

Plastisol is a suspension of PVC or other polymer particles in a liquid plasticizer; it flows as a liquid and can be poured into a heated mold. When heated to around 177 degrees Celsius, the plastic particles dissolve and the mixture turns into a ...

Plastometer

A plastometer is a tool used to determine the flow properties of plastic materials. Alternatively, a head-measuring device developed by German eugenist Robert Burger-Villingen and used by the Nazis to determine alleged racial characteristics.

Polymer solution casting

Polymer solution casting is a manufacturing process used to make flexible plastic components which are typically in the shape of a single or multi-lumen tube commonly utilized in the medical device industry. This manufacturing technology is uniqu ...

Pultrusion

Pultrusion is a continuous process for manufacture of spendere materials with constant cross-section. The term is a portmanteau word, combining "pull" and "extrusion". As opposed to extrusion, which pushes the material, pultrusion pulls the material.

Rapid Heat Cycle Molding

Rapid Heat Cycle Molding is also known as steam injection molding. Dr. Chao-Tsai Huang has written an extensive 68 page paper outlining, among other things, a case study on RHCM. His paper is entitled In-depth Study of RHCM and IHM Technologiesan ...

Record press

A record press is a machine for manufacturing vinyl records. It is essentially a hydraulic press fitted with thin nickel stampers which are negative impressions of a master disc. Labels and a pre-heated vinyl patty are placed in a heated mold cav ...

Release agent

A release agent is a chemical used to prevent other materials from bonding to surfaces. It can provide a solution in processes involving mold release, die-cast release, plastic release, adhesive release, and tire and web release. Release agents p ...

Resin casting

Resin casting is a method of plastic casting where a mold is filled with a liquid synthetic resin, which then hardens. It is primarily used for small-scale production like industrial prototypes and dentistry. It can be done by amateur hobbyists w ...

Rotary wheel blow molding systems

Rotary wheel blow molding systems are used for the high-output production of a wide variety of plastic extrusion blow molded articles. Containers may be produced from small, single serve bottles to large containers up to 20-30 liters in volume - ...

Sheet moulding compound

Sheet moulding compound or sheet moulding composite is a ready to mould glass-fibre reinforced polyester material primarily used in compression moulding. The sheet is provided in rolls weighing up to 1000 kg. Alternatively the resin and related m ...

Shut-off nozzle

Shut-off nozzles are used in the manufacturing process of plastic injection molding. Machine shut-off nozzles serve as the connection between the plasticizing barrel and the mold. They are mounted on the machineside of the plastic injection moldi ...

Sintering

Sintering or frittage is the process of compacting and forming a solid mass of material by heat or pressure without melting it to the point of liquefaction. Sintering happens naturally in mineral deposits or as a manufacturing process used with m ...

Spin casting

Spin casting, also known as centrifugal rubber mold casting, is a method of utilizing centrifugal force to produce castings from a rubber mold. Typically, a disc-shaped mold is spun along its central axis at a set speed. The casting material, usu ...

Spinneret (polymers)

A spinneret is a device used to extrude a polymer solution or polymer melt to form fibers. Streams of viscous polymer exit via the spinneret into air or liquid leading to a phase inversion which allows the polymer to solidify. The individual poly ...

Spinning (polymers)

Spinning is a manufacturing process for creating polymer fibers. It is a specialized form of extrusion that uses a spinneret to form multiple continuous filaments. There are many types of spinning: wet, dry, dry jet-wet, melt, gel, and electrospi ...

Sprue (manufacturing)

A sprue is the vertical passage through which liquid material is introduced into a mold and it is a large diameter channel through which the material enters the mould. It connects pouring basin to the runner. In many cases it controls the flow of ...

Surface integrity

Surface integrity is the surface condition of a workpiece after being modified by a manufacturing process. The term was coined by Michael Field and John F. Kahles in 1964. The surface integrity of a workpiece or item changes the materials propert ...

Undercut (manufacturing)

In manufacturing, an undercut is a special type of recessed surface that is inaccessible using a straight tool. In turning, it refers to a recess in a diameter generally on the inside diameter of the part. In milling, it refers to a feature which ...

Pulp and paper industry in Europe

The pulp and paper industry in Europe accounts for about a quarter of world production and is a major employer. The leading producing countries are Finland, Sweden and Germany. The industry is a large user of renewable energy and achieved a recyc ...

List of paper mills

Box Hill Mill, Box Hill, Victoria Asaleo Care ABC Tissue Products, Sydney Maryvale Mill, Morwell, Victoria Australian Paper Shoalhaven Mill, S3, Bomaderry, New South Wales closed July 2015 Norske Skog Norske Skog Albury, Albury, New South Wales N ...

Pulp and paper industry

The pulp and paper industry comprises companies that use wood as raw material and produce pulp, paper, paperboard and other cellulose-based products. The pulp is fed to a paper machine where it is formed as a paper web and the water is removed fr ...

Black liquor

In industrial chemistry, black liquor is the by-product from the kraft process when digesting pulpwood into paper pulp removing lignin, hemicelluloses and other extractives from the wood to free the cellulose fibers. The equivalent material in th ...

Bleached Chemi-ThermoMechanical Pulp

Bleached Chemi-ThermoMechanical Pulp is a pulp product used by the paper industry as a less-expensive alternative for Northern Bleached Softwood Kraft. BCTMP was first produced by Millar Western in 1988 in its Whitecourt Mill, and was initially u ...

Bleaching of wood pulp

Bleaching of wood pulp is the chemical processing of wood pulp to lighten its color and whiten the pulp. The primary product of wood pulp is paper, for which whiteness is an important characteristic. These processes and chemistry are also applica ...

Conical refiner

The conical refiner is a machine used in the refining of pulp in the papermaking process. It may also be referred to as a Jordan refiner, after the American inventor Joseph Jordan who patented the device in 1858. The conical refiner is a chamber ...

Consistency (suspension)

Consistency is a term used in the pulp and paper making industry. The consistency of a suspension is defined as: C = x / x + y {\displaystyle C=x/x+y} Where C is consistency, x is the mass of pulp, and y is the mass of the rest of the suspension ...

D. H. & A. B. Tower

Doing business as D. H. & A. B. Tower, brothers David Horatio Tower and Ashley Bemis Tower were internationally known American architects, civil and mechanical engineers based in Holyoke, Massachusetts, who designed mills and factories in the Uni ...

Defibrator

The defibrator is a thermo mechanical pulping refiner in which the pulp material, such as wood chips, is ground in an environment of steam between a rotating grinding disc and a stationary disc each with radial grooves that provides the grinding ...

Henry Fourdrinier

Henry Fourdrinier was a British paper-making entrepreneur. He was born in 1766, the son of a paper maker and stationer, and grandson of the engraver Paul Fourdrinier, 1698-1758, sometimes mistakenly called Pierre Fourdrinier. With his brother, Se ...

Sealy Fourdrinier

Sealy Fourdrinier was an English paper-making entrepreneur. He was born the son of paper maker and stationer Henry Fourdrinier and grandson of the engraver Paul Fourdrinier 1698-1758, who were of Huguenot descent. His brother was Henry Fourdrinie ...

Hollander beater

A Hollander beater is a machine developed by the Dutch in 1680 to produce paper pulp from cellulose containing plant fibers. It replaced stamp mills for preparing pulp because the Hollander could produce in one day the same quantity of pulp it wo ...

Kleercut

Kleercut is the name of a former campaign conducted by Greenpeace, the Natural Resources Defense Council, and others towards Kimberly-Clark. It lasted from 2004 to 2009. Kimberly-Clark is the world’s largest manufacturer of tissue products, most ...

Kraft process

The kraft process is a process for conversion of wood into wood pulp, which consists of almost pure cellulose fibers, the main component of paper. The kraft process entails treatment of wood chips with a hot mixture of water, sodium hydroxide, an ...

Linenize

To Linenize or Linenizing is the process transforming paper, cloth, cotton to attain properties of Linen, a textile made from flax plant fibers or Linens fabrics. It may be thought of as the process of making another process imitate linen. A prod ...

Northern bleached softwood kraft

Northern bleached softwood kraft is the paper industrys benchmark grade of pulp. Market NBSK is produced mainly in Canada and the Nordic countries. Some NBSK is also produced in north-western United States and in Russia. NBSK futures are traded o ...

Organosolv

In industrial paper-making processes, organosolv is a pulping technique that uses an organic solvent to solubilise lignin and hemicellulose. It has been considered in the context of both pulp and paper manufacture and biorefining for subsequent c ...

Paper chemicals

Paper chemicals designate a group of chemicals that are used for paper manufacturing, or modify the properties of paper. These chemicals can be used to alter the paper in many ways, including changing its color and brightness, or by increasing it ...

Paper machine

A paper machine is an industrial machine which is used in the pulp and paper industry to create paper in large quantities at high speed. Modern paper-making machines are based on the principles of the Fourdrinier Machine, which uses a moving wove ...

Paper mill

A paper mill is a factory devoted to making paper from vegetable fibres such as wood pulp, old rags and other ingredients. Prior to the invention and adoption of the Fourdrinier machine and other types of paper machine that use an endless belt, a ...

Paperboard

Paperboard is a thick paper-based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker than paper and has certain superior attributes such as foldability and rigidity. According to ISO st ...

Pulp and Paper

Pulp and Paper was the largest United States-based trade magazine for the pulp and paper industry. It was owned by RISI. The magazine existed between 1998 and 2015. In 2016 it merged with Paper360° Magazine, owned by the Technical Association of ...

Pulp mill

A pulp mill is a manufacturing facility that converts wood chips or other plant fibre source into a thick fibre board which can be shipped to a paper mill for further processing. Pulp can be manufactured using mechanical, semi-chemical or fully c ...

Pulpwood

Pulpwood is also used as the raw material for some wood products, such as oriented strand board OSB. There is an increasing demand for pulpwood as a source of green energy by the bio-energy sector for burning and baking into charcoal. Trees raise ...