embossing


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embossing,

process of producing upon various materials designs or patterns in relief by mechanical means. The material is pressed between a pair of dies especially adapted to its hardness and the depth of the design needed. A felt counter or female die is employed for embossing fabrics, while metal, millboard, or cardboard is used for embossing metal, cardboard, or paper. Leather for bookbinding and wood for furniture ornamentation are die stamped while wet. Embossing differs from other relief design processes, such as repoussé, chasing, carving, and leather tooling, in being machine wrought.

Embossing

 

the impressing of a decorative relief pattern on such materials as leather, sheet metal, velvet, and paperboard.

Formerly, metal was embossed by covering the metal with a yielding substance (leather, lead) and then hammering the metal, in sheet form, onto a metal or stone block having a raised design. This method, which was known in antiquity in Egypt and other countries, was used in the large-scale production of ornaments, including icon frameworks (seeBASMA). In the 20th century, metal is usually embossed with a screw press.

The traditional method of embossing leather involved the use of hot metal blocks. Applied to leather bookbindings as early as the 12th century, this technique has been widely used in the decorative art of the Baltic republics of the USSR. Embossed patterns on velvet are produced using red-hot iron stamps.

Figure 1. Embossing: (a) sunken image, (b) raised impression; (1) upper surface of the press, (2) stamp, (3) book cover, (4) lower surface, and (5) bottom stamp

In printing, embossing is used to produce patterns or typeface on bookbindings, paper, or paperboard. The process is carried out on an embossing press. A distinction is made between raised, or Congreve, impressions (seeRAISED IMPRESSION) and sunken images (Figure 1). With the latter, a flat stamp of zinc or brass is used. Embossing can be carried out with or without coloring; in the latter case, the process is referred to as blind stamping. When coloring is used, the image is formed using special colored or metallized foil, which remains in the depressions.

embossing

[em′bäs·iŋ]
(graphic arts)
Producing a raised pattern on the surface of paper or wood by means of a die.
References in periodicals archive ?
The range of embossing temperatures was determined from the thermal analysis with different rates of crystallization.
The hot embossing machine was modified to enhance the polymer filling and uniformize the shrinkage.
Station and U-type register and nonregister gravure printing presses with in-line laminating and embossing, as well as a combination flexographic/gravure press.
At Pamarco, introducing the latest technologies in embossing rolls is always complemented by the world-renowned skills of our master craftsmen.
Different from previous literature (4), (6), (12) that use electric heaters for roller heating, this study reports a supple and effective infrared (IR)-assisted roll-to-roll embossing process for directly replicating microstructures onto both sides of plastic films.
Like cutting dies, traditional embossing dies are made of steel (and sometimes brass) except for those made by Trinity Graphic USA, which are photopolymer.
Some research groups have tried to simulate hot embossing to predict the deformation and flow of the polymers using constitutive models, while others make use of tabular data or conduct experiments to optimize the process conditions.
Metal Magic provided all of the foil stamping and embossing dies.
Janny explained that such companies normally buy (or produce themselves) a pre-embossed material and overprint with ink because they can't apply holographic embossing in register with the print.
Recently, the authors (7) investigated a rubber-assisted hot embossing process for shell patterning.
The calendar features multi-color UV printing, UV gloss spot coating, cold foil, soft touch and emboss specialty coatings, multi-level embossing, and intricate die cutting.
The hot embossing method for fabricating micro and nanofeatures on polymer substrate in solid state at temperature above glass transition temperature [T.