Abstract: A cost effective, pressure-sealed, multi-page paper assembly is configured as a mailer-type of assembly for use as a business form, direct mail piece or other document to distribute information to end-users. The multi-page paper assembly is formed from a single ply or sheet of paper that permits use of such cost-saving technologies as laser printing and imaging of the single ply or sheet. The multi-page paper assembly includes a central transverse line of cross fold perforations and a plurality of lines of fold assist perforations that permit the single ply or sheet to be folded into a desired Z-fold, C-fold, eccentric C-fold, V-fold, double parallel-fold or other folded configuration having a number of inboard panels to serve as pages of the assembly. Deposits of pressure-activated cohesive along one or both surfaces of the single ply or sheet are placed to define those panels to serve as inboard boards and to adhere portions of the ply or sheet when folded.

Abstract: A single ply mailer is provided configured for double folding into, for instance, a V-configuration, that provides a built-in return or reply envelope and a lip portion that serves to permit easy opening of the mailer when assembled.

Abstract: An ultraviolet sensor monitors an effectiveness of ultraviolet lamps used in sterilization systems. The sensor includes an ultraviolet photodetector and a filter cooperating therewith configured for detecting light at wavelengths between 200-300 nm. A purification system for air or water utilizes the sensor in conjunction with an ultraviolet lamp directing ultraviolet light toward the air or water.

Abstract: A cost effective, pressure-sealed, multi-page paper assembly is configured as a mailer-type of assembly for use as a business form, direct mail piece or other document to distribute information to end-users. The multi-page paper assembly is formed from a single ply or sheet of paper that permits use of such cost-saving technologies as laser printing and imaging of the single ply or sheet. The multi-page paper assembly includes a central transverse line of cross fold perforations and a plurality of lines of fold assist perforations that permit the single ply or sheet to be folded into a desired Z-fold, C-fold, eccentric C-fold, V-fold, double parallel-fold or other folded configuration having a number of inboard panels to serve as pages of the assembly. Deposits of pressure-activated cohesive along one or both surfaces of the single ply or sheet are placed to define those panels to serve as inboard boards and to adhere portions of the ply or sheet when folded.

Abstract: An intermediate for a mailer type business form is provided that is Z-folded to produce a mailer type business form with built-in reply envelope. A large area is provided for printing statement, remittance and/or other information and yet the reply envelope produced accepts a conventional size personal check without folding. This is accomplished by providing a re-wettable adhesive for forming and sealing the reply envelope. The outgoing address indicia is imaged on the top face of one of the panels that forms the return envelope so that the outgoing address is concealed when the reply envelope is formed. The reply address indicia is imaged on the bottom face on the second panel defining the reply envelope so that when the reply envelope is formed, the reply address is the only exposed address on the reply envelope.

Abstract: A business form intermediate with pressure activated cohesive in separable side margins is otherwise conventional except for the particular patterns of cohesive. The patterns prevent cupping (i.e. flexing or distortion) of the vertical edges. Substantially straight line series of substantially rectangular spots having dimensions about ¼ inch by ⅛ inch, and spaced from each other about ½ inch, are preferably provided, along the vertical (side) edges of the intermediate on at least one face, and preferably both faces (not staggered horizontally, but not significantly vertically overlapping, from one face to the other).

Abstract: A pressure seal business form including a sheet having a front and a back, top edge, bottom edge, first and second longitudinal edges, at least two panels separated by at least one fold line, longitudinal lines of weakness parallel to the first and second longitudinal edges forming a first and second longitudinal margin portion, horizontal patterns of pressure seal cohesive, and a longitudinal pattern of cohesive positioned in the first and second margin portions defined by at least one individual cohesive configuration. Each individual configuration of cohesive being defined by a first line AB including end points A and B and a second line CD having end points C and D. Line AB and CD are parallel to each other and to the longitudinal edges of the sheet. A third line BD having end points B and D and a fourth line AC having end points A and C. Lines BD and AC are parallel to each other. The angle ABD between lines AB and BD is less than 90.degree..

Abstract: The present invention provides a flame sensor having dynamic sensitivity adjustment, wherein the sensitivity of the flame detector can be adjusted by varying the gain of a signal conditioning circuit associated with the flame detector. The flame detector includes a photodiode, such as, for example, a silicon carbide (SiC) photodiode, that, when exposed to electromagnetic radiation having a wavelength in the range of from about 190-400 nanometers, and preferably within the ultraviolet range. The photodiode generates a photocurrent proportional to the ultraviolet light intensity to which it is exposed. The output of the photodiode is processed and amplified by signal conditioning circuitry to produce a signal indicative of the presence of a flame. Moreover, a cutoff wavelength for silicon carbide photodiodes is preferably in the range of about 400 nanometers, which renders the photodiode "blind" to potentially interfering blackbody radiation from the walls of the turbine.

Abstract: A business form intermediate with pressure activated cohesive in separable side margins is otherwise conventional except for the particular patterns of cohesive. The patterns prevent cupping (i.e. flexing or distortion) of the vertical edges. Substantially straight line series of substantially rectangular spots having dimensions about 1/4 inch by 1/8 inch, and spaced from each other about 1/2 inch, are preferably provided, along the vertical (side) edges of the intermediate on at least one face, and preferably both faces (not staggered horizontally, but not significantly vertically overlapping, from one face to the other).

Abstract: An intermediate for a C-fold mailer type business form is provided that does not cup or distort as a result of pressure sensitive cohesive provided on both the face and the back of the same panel. This improves the processing of the intermediate through cut sheet laser printers and post-processing equipment, and allows for easier stacking during manufacture. A sheet of paper having first and second faces and opposite parallel longitudinal edges has first and second transverse fold lines forming a sheet into three panels, and first and second longitudinal lines of weakness forming longitudinal marginal portions with the longitudinal edges.

Abstract: A business form is provided that can be readily attached to, and then detached from (without adhesive residue remaining on it) an appliance or packaging for an appliance. The business form can have warranty and/or service contract information printed on it. The form includes first, second and third plies, the third ply sandwiched between the first and second plies, with adhesive for attaching the plies together along their peripheral edges. A reply envelope is nested within and between the plies, and a pattern of readily removable adhesive is disposed on the outer face of the second ply. The adhesive is preferably provided by transfer tape, which includes a substrate, with permanent adhesive on the opposite face from the readily removable adhesive, and with the permanent adhesive covered by release paper.

Abstract: A mailer type business form, and intermediate, are constructed from a single sheet of paper having four virtually identically sized panels, the sheet folded about an intermediate fold line, and then two other fold lines, to form a four ply mailer. First and fourth panels of the intermediate define the third and fourth plies of the mailer, and provide a return envelope sealed along three edges and open at the fourth, with a flap provided with a rewettable adhesive strip at the open edge. The second and third panels are held together by longitudinal strips of adhesive adjacent the longitudinal edges of those panels, with perforations provided in the second and third panels (but not the first and fourth panels) to allow removal of the connecting adhesive. The fold lines connecting the first and second panels and third and fourth panels are preferably perforations, and a longitudinal perforation is provided in the second panel to form the statement and reminder portions.

Abstract: A pocket containing business form is formed from an intermediate which comprises a sheet of paperlike material having dimensions of about 8.times.11 inches. The sheet is guillotine cut in two lengthwise, and each of the sections is eccentrically Z-folded to form a pocket, with pressure activated adhesive strips sealed along the edges of the pocket. The portion of the sheet exposed above the pocket is imaged by a laser printer, etc., for example, to indicate due dates for library books. The form is glued on one of the inside covers of a library book, and a 3.times.5 card containing information about the book is inserted in the pocket.

Abstract: An intermediate, and a mailer type business form constructed from the intermediate, can be imaged on both sides and easily formed into a final product having four panels. A sheet of paper has first and second faces with first and second longitudinal marginal portions formed by first and second longitudinal perforations parallel to the longitudinal edges of the sheet. Pressure seal adhesive is disposed in longitudinally elongated patterns in the first and second longitudinal marginal portions on the first face, and first, second and third fold lines formed in the sheet divide the sheet into first, second, third and fourth panels of substantially equal size. Other elongated patterns of pressure seal adhesive are disposed in the first and second longitudinal marginal portions of the second face. The sheet is devoid of adhesive extending along the ends of the sheet, or parallel to the ends.

Abstract: A folded (e.g., Z-folded) mailer type business form is constructed so that it may be printed using an IBM 3800 printer without sticking to the printer fuser or backer rolls. Pressure sensitive adhesive patterns (e.g., discontinuous strips) are placed on the first face of a paper sheet near a first transverse edge, and the second face of the paper sheet near a second transverse edge. The spacings from the edge are about 5/16 inches in each case, sufficient to insure that the adhesive is not engaged by the printer rolls during pausing of the printer.

Abstract: A multi page mailer type business form is constructed by applying a first adhesive pattern to the top sheet bottom face perimeter areas, a second adhesive pattern to the bottom sheet top face perimeter areas, and applying third and fourth adhesive patterns to the middle sheet top and bottom face perimeter areas respectively. Variable information is printed on the top, bottom and middle sheets including machine readable identification information (bar code) which is common to the sheets that are to be assembled into a final multi page mailer. The set is accumulated, and verified by scanning the identification of information, and then the perimeter adhesive patterns are sealed. The adhesive is preferably pressure sensitive adhesive, and the final mailer produced has a book-like construction. The adhesive patterns are such that the top and bottom sheets can be provided in a stack without the perimeter adhesive patterns aligning, and the middle sheets can be provided in a separate stock.

Abstract: A business form, and intermediate for constructing the form, suitable for use as a packing list or invoice. A regular (bond) sheet of paper is constructed into three approximately equal size panels which are Z-folded about fold lines. The first face of the first panel has address indicia printed on it, while the second face of the third panel has two or more strips of transfer tape disposed on it, spaced from each other and parallel to the lines of weakness, facilitating attachment of the form to a package. Invoice information is preferably printed on the first face of the second and third panels. The panels are held together in a packaging slip configuration by strips of pressure seal adhesive. In use, by detaching various portions of the form along perforations the form can be folded about a pressure seal adhesive line between the second and third panels second face adjacent the second fold line, and along the second fold line so that the first face second and third panels (invoices) are readily seen.

Abstract: A multi page mailer type business form is constructed by applying a first adhesive pattern to the top sheet bottom face perimeter areas, a second adhesive pattern to the bottom sheet top face perimeter areas, and applying third and fourth adhesive patterns to the middle sheet top and bottom face perimeter areas respectively. Variable information is printed on the top, bottom and middle sheets including machine readable identification information (bar code) which is common to the sheets that are to be assembled into a final multi page mailer. The set is accumulated, and verified by scanning the identification information, and then the perimeter adhesive patterns are sealed. The adhesive is preferably pressure sensitive adhesive, and the final mailer produced has a book-like construction. The adhesive patterns are such that the top and bottom sheets can be provided in a stack without the perimeter adhesive patterns aligning, and the middle sheets can be provided in a separate stack.

Abstract: An intermediate for a business form can be constructed into a mailer type business form that allows variable return address and addressee information to be printed at the same time that the inside of the mailer is printed. First and second die cut windows are formed in a sheet of paper, with a first flap having a longitudinal edge integral with the paper and adapted to pivot to fill the first die cut window. A second flap is attached to the first, and overlaps it to such an extent that it can be pivoted with the first flap to overlie the second window. The flaps are pivoted inwardly and then printed at the same time that the inside of the mailer is printed, with variable return address information printed on the first flap, and addressee information printed on the second flap portion adapted to overlie the second window. A transparent patch may cover the second window, and the second flap may be adhesively secured in place in contact with the transparent patch.

Abstract: A continuous business form assembly comprises a continuous web incorporating a plurality of business forms, the business forms each having a window flap portion and a non-window, remainder portion, the form having an exterior surface and an opposite, interior surface. The window flap portion has a first face defined on the web exterior surface and a second face defined on the web interior surface, the window first face and second face thereby being defined on the opposite exterior and interior surfaces of the form. The window flap portion is partially cut from the form to thereby form a window at least partially defined by one edge providing a fold line about which the window flap portion is foldable to a printing position in which the window flap first face is exposed with the interior surface of the form, for simultaneous, printing of the window flap first face and the interior surface of the form.