Copy of `Curry Printing`

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Curry Printing Category: Agriculture and Industry > Printing press Date & country: 30/06/2014, UK Words: 577

Oblong
A term used to describe printed books, catalogs etc., that are bound on their shorter side; also referred to as album bound.

OFC
Outside front cover.

Off-shore Paper
Any papers made outside the US and Canada.

Offset
The most commonly used printing method, whereby the printed material does not receive the ink directly from the printing plate but from an intermediary cylinder called a blanket which receives the ink from the plate and transfers it to the paper.

Offset Gravure
A complex offset process involving multiple transfers between the gravure plate, the plate cylinder and a solid rubber plate.

Offset Lithography
Indirect printing method in which the inked image on the press-plate is first printed onto a rubber blanket, then in turn offsets the inked impression on to the sheet of paper.

Offset Paper
A term for uncoated book paper.

Onionskin
A light bond paper used for typing and used with carbon paper because of its thinness.

Opacity
Quality of papers that defines its opaqueness or ability to prevent two-sided printing from showing through.

Opaque
A quality of paper that allows relatively little light to pass through.

Opaque Ink
Ink that completely covers any ink under itself.

Orthochromatic
Any light sensitive surfaces that are not sensitive to red.

Over Run
Surplus of copies printed.

Overhang Cover
A cover of a book that extends over the trimmed signatures it contains.

Overlay
A transparent sheet placed over artwork, in register with the work it covers; this is used to call out other color components of the work, instructions or corrections.

Overlay Proof
A process of proof making whereby the color separations are individually exposed to light sensitive film. This film is then set in registration with a piece of white paper in the background.

Overprinting
Any printing that is done on an area that has already been printed.

Overset
Type that is set in excess of the allotted space.

Page
One side of a leaf.

Page Makeup
The assemblage of all the necessary elements required to complete a page.

Page Proofs
Proofs made up from pages.

Panchromatic
Films or other photographic materials that are sensitive to all colors.

Paperboard
Any paper with a thickness (caliper) of 12 points (.3mm) or more.

Papeterie
A high-grade soft paper used for personal stationery because it accepts handwriting well.

Parchment
A hard finished paper that emulates animal skin; used for documents, such as awards, that require writing by hand.

Parent Sheet
A sheet that is larger than the cut stock of the same paper.

Paste Drier
Any of a variety of compounds used in enhancing the drying properties of printing inks.

Paste Ink
An ink having a high level of viscosity.

Paste-up
Preparation of positive materials into a layout for photographing to film negatives.

Peeling
Delamination.

Perf Marks
Markings usually dotted lines at edges showing where perforations should occur.

Perfect
A term used to describe the binding process where the signatures of a book are held together by a flexible adhesive.

Perfect Binding
Binding process where backs of sections are cut off, roughened and glued together, and rung in a cover.

Perfecting
Printing both sides of the paper (or other material) on the same pass through the printing machine.

Perfecting Press
A printing press that prints on both sides of the page in a single pass.

Perforating
Punching small holes or slits in a sheet of paper or cardboard to facilitate tearing along a desired line.

Phloxine
A blue red pigment used mostly in news inks; not a good ink for lithographers as it bleeds in alcohol and water.

Photoengraving
Making printing plates by exposure of line and halftone negatives on sensitized metal, converting the image into an acid resist, and etching the print to the relief required for letterpress printing.

Photomechanical
The platemaking process where plates are coated with photosensitive coatings and exposed to photo negatives or positives.

Photostat
A photographic print creating an image using photography and electrostatic processes; also called a stat.

Phthalocyanine
The main pigment in the manufacture of cyan ink.

Pica
Standard of measurement, 1/6 inch. 1 pica = 12 points 72 points = 1 inch

Picking
(1) When the tack of ink is stronger than the surface strength of the paper, some lifting of the paper surface occurs; this is referred to as picking.

Picking
(2) An occurrence in printing whereby the tack of ink pulls fibers or coating off the paper surface, leaving spots on the printed surface.

Piling
A build up of pigment or paper coatings onto the plate, blankets or rollers.

Pin Register
Using metal pins fitted into preset holes of copy sheets, films, plates and presses that will assure the proper registration.

Pinholing
Failure of printed ink to form a completely continuous film, visible in the form of small holes in the printed areas.

Plastic Comb
A method of binding books whereby holes are drilled on the side closest the spine, and a plastic grasping device is inserted to hold the pages together.

Plasticizer
An ink additive that adds flexibility, softness and adhesion.

Plate
Reproduction of type or cuts in metal, plastic, rubber, or other material, to form a plate bearing a relief, planographic or intaglio printing surface.

Plate Cylinder
The cylinder on a printing press on which the plate is mounted.

Plate Finish
Any bond, cover or bristol stock with an extremely smooth finish achieved by calendaring.

Platemaking
Making a printing plate from a film or flat including preparation of the plate surface, sensitizing, exposing through the flat, developing or processing, and finishing.

PMT
Photomechanical transfer.

Point
A measurement unit equal to 1/72 of an inch. 12 points to a pica, 72 points to an inch.

Positive
Film that contains an image with the same tonal values as the original; opposite of a negative.

Ppi
Pixels per inch.

Premium
Any paper that is considered better than #1 by its manufacturer.

Presensitized Plate
A plate that has been treated with light sensitive coatings by the manufacturer.

Press-Proof
Actual press sheet to show image, tone values and colors as well as imposition of frame or press-plate.

Primary Colors
In printing the four primary colors are cyan (blue), magenta (red), yellow and black.

Printability
The quality of papers to show reproduced printed images.

Printers Pairs
Two consecutive pages as they appear on a flat or signature.

Process Inks
Printing inks, usually in sets of four colors. The most frequent combination is yellow, magenta, cyan, and black, which are printed, one over another in that order, to obtain a colored print with the desired hues, whites, blacks, and grays.

Process Lens
A high quality specialty lens made for line art, halftone and color photography.

Process Printing
Printing from two or more half tones to produce intermediate colors and shades.

Progressive Proofs
Any proofs made from the separate plates of a multi-plate-printing project.

Proof
Impression from composed type or blocks, taken for checking and correction, from a lithographic plate to check accuracy of layout, type matter, tone and color reproduction.

Pull For Position
Guide sheet for the positioning of type, blocks, etc.

Rag paper
Papers with a complete or partial content of cotton fibers.

Ragged Left
The term given to right-justified type that is uneven on the left.

Ragged Right
The term given to left-justified type that is uneven on the right.

Railroad Board
A thick, coated paper used for signs; usually waterproof.

Readers Pairs
Two consecutive pages as they appear in printed piece.

Ream
500 sheets of paper.

Recto
The odd numbered pages (right hand side) of books.

Reducer
Any substance that softens and reduces the tack of ink.

Reel
The master roll of paper as it comes off the papermaking machine. It is in its original width and is then cut into smaller rolls.

Register
The arrangement of two or more images in exact alignment with each other.

Register Marks
Any crossmarks or other symbols used on layout to assure proper registration.

Right Angle Fold
A term that denotes folds that are 90 degrees to each other.

Roll To Roll
A web press printing process where the roll of paper is printed and stored on a roll to be shipped.

Rub Proof
That stage of printed ink where the maximum dryness is achieved, and the ink will not smudge.

Rubine
A pigment somewhat redder than true magenta.

Run-Around
A term given to copy that accommodates the lines of a picture or other image or copy.

Runability
A term used to describe how well a paper runs on a printing press.

Running Head
A title at the top of a page that appears on all pages of a book or chapter of a book.

Saddle Stitching
Stitching where the wire staples pass through the spine from the outside and are clinched in the center. Only used with folded sections, either single sections or two or more sections inset to form a single section.

Safety Paper
A paper that shows sign of erasure so that it cannot be altered or tampered with easily.

Satin Finish
A smooth delicately embossed finished paper with sheen.

Scaling
The enlargement or reduction of an image or copy to fit a specific area.

Score
Impressions or cuts in flat material to facilitate bending or tearing.

Screen Angles
The placement of halftone screens to avoid unwanted moire patterns. Frequently used angles are black 45deg, magenta 75deg, yellow 90deg, and cyan 105deg.

Screen Ruling
A measurement equaling the number of lines or dots per inch on a halftone screen.

Screened Print
A photo print made by using a halftone negative; also called a velox.

Scum
Unwanted ink marks in the non-image area.

Self Cover
A cover made out of the same paper stock as the internal sheets.

Shadow Dot
The lowest density of a halftone image.

Sharpen
To decrease the dot size of the halftone which in turn decreases the color strength.

Sheetwise
The printing of two different images on two different sides of a sheet of paper by turning the page over after the first side is printed and using the same gripper and side guides.