There has been no improvement in the principle of the stamping or embossing press since the first machines came into use.
The mechanical principle employed in the Adams press for exerting a flat, parallel pressure has now been generally adopted for heavy stamping and embossing presses.
The graining of the leather to bring out the natural grain in the skin, is done by hand and sometimes by electroplate reproductions of the natural grain by means of the embossing press.
Various kinds of stamps are used, ink, embossing and perforating.
But for their expense embossing stamps are most satisfactory, and of the various kinds of these the perforating stamp formed like a pair of nippers is the easiest to apply.
As a rule too much time is wasted in stamping library books, and it will be found quite enough to stamp the places indicated, and use a blind embossing stamp for the boards.
Embossing is also most extensively practised for ornamental purposes in the art of bookbinding.
The dies to be used for plain embossing are generally cut deeper than those intended to be used with colours.
In embossing large ornamental designs, engraved plates or electrotypes therefrom are employed, the force or counterpart being composed of mill-board faced with gutta-percha.
For many purposes the embossing rollers must be maintained at a high temperature while in operation; and they are heated either by steam, by gas jets, or by the introduction of red-hot irons within them.
Colour embossingis done in two ways--the first and ordinary kind that in which the ink is applied to the raised portion of the design.
Embossing supplies a convenient and expeditious medium for producing elegant ornamental effects in many distinct industries; and especially in its relations to paper and cardboard its applications are varied and important.
The blocked ornaments on cloth covers for books, and the blocking or imitation tooling on the cheaper kinds of leather work, are effected by means of powerful embossing or arming presses.
Clear embossing may be measured by a millimetre scale.
Possibly it would do so if the embossing were strong enough to pierce the stamp with numerous holes, but practically the idea was a failure.
Embossing or printing for enamels is done before the goods are quite dry.
They are finished in much the same style as goatskins for morocco leather, but as the sheepskin has little natural grain it needs embossing or printing according to the type required.
In the case of skins with little natural grain (such as sheepskin) embossing and printing machines impress the desired pattern.
Moire or "watered" effects are produced in a similar way, but these effects are frequently imitated in the embossing calender.
Moire or watered effects are produced by running two pieces face to face through a calender or by means of an embossing calender.
The embossing calender is usually constructed of two bowls, one of which is of steel and the other of compressed cotton or paper.
A little trimming may be necessary for the completion of these two tools, and they will require to be suitably mounted, so that they may be accurately adjusted in the embossing press.
Metal embossing has certain limitations which must be recognised as an essential condition of its effective application.
For simple ornamentation only, metal embossing presents little that is new or novel; but for the production of relief effects in the pictorial elements of a design its application becomes a more important and influential matter.
It prints an exceedingly thin layer or film on the face of the metal, which under average conditions rarely interferes with the working of the embossing tool.
Without entering too minutely into matters which affect the lithographic printer in an indirect fashion only, it will yet be useful to him to know how an embossing die is produced which registers accurately with the design to be operated on.
Decorated with spray of hedge roses, rococoembossing and gold edge; 1 dozen in package $ 2 00 [Illustration: No.
Light green tint ground, rich flower decoration, embossing and gold tracing 15 00 Tea cup and saucer to match above, No.
The operation of embossing sheet metal, or of forming it into cup-shaped or hollow articles, by hammering, stamping, or spinning.
When the blocking out from the interior is finished, or when no such embossing is required, the object to be chased is filled with molten pitch, which is allowed to harden.
Embossing and stamping from steel dies and rolled ornaments have long since taken the place of chased ornamentations in the cheaper kinds of plated works.
Dies for embossing designs on leather, catalogue covers, cardboard articles, cards, and soft materials are usually modelled in brass.
All the materials required forembossing the stationery are the envelope or paper on which the design is to appear, a stylus and a blotter.
The plates for both processes evidently fitted each other with precision, though in the printing occasionally the embossing is slightly out of register.
Both values are known with the embossing shewing a distinct double impression.
All values exist with the embossing double; several with the embossing double, one of the impressions being inverted; part double and treble perforations; and the white and the yellow gum.
In their pristine state with clear and bold embossing these stamps are of exceptional grace and beauty.
As embossing evenly over a large area presented considerable difficulties, the plates were made up of fifteen stamps only, in three horizontal rows of five stamps.
Again, both values are known with theembossing doubly impressed.
Over this was placed a circular disk of paper; an electromagnet with the embossing point connected to an arm travelled over the disk; and any signals given through the magnets were embossed on the disk of paper.
Some time prior to 1877, Edison had been experimenting on an automatic telegraph in which the letters were formed by embossing strips of paper with the proper arrangement of dots and dashes.
The difference between the modelling (Figures 93 and 94) and embossing tools is that the embossing tools are a greater aid in achieving fine bas-relief work.
The embossing ball tool is used to make the deep indentations.
Embossing is, to be sure, a literal not a pictorial invasion of the third dimension, but its intrusion into that dimension is very slight and involves no cheating of the eye.
Embossing is a variety of printing connected with both line engraving and typography.
Embossing dies are produced by sinking lines in the plate but, as a rule, they are intended for such productions as stamped envelopes and the sunken portions are a series of hollows rather than sharply cut lines.
In its simplest form embossing is a stamping in relief without color.
Pertaining to the art of chasing orembossing in relief; anaglyptic; Ð opposed to diaglyptic or sunk work.
Relating to the art of carving, enchasing, or embossingin low relief.
In all specimens examined, the embossing is very flat.
It appears that the invention of embossing which is continued in this emission, while it spoils the stamps, does not increase their adhesive properties as was pretended.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "embossing" in a variety of sentences. We hope that you will now be able to make sentences using this word.
