Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
  • B42C—BOOKBINDING
  • B42C9/00—Applying glue or adhesive peculiar to bookbinding
  • B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
  • B42C9/0012—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller
  • B42C9/0031—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets with a roller with continuous flow of stacks of sheets

Definitions

• the present invention relates to control systems and apparatus for perfect binding.
• the invention has been developed primarily for use with perfect binding
• the paper sheets are
• Automated machines of this type generally comprise a station to neatly align the
• the glue application station includes an open glue reservoir with a
• the intermittent motion of the book block is due to some stations requiring the
• control system responsive to a detector recognising the leading edge of the book block as
• glue application station it enters the glue application station.
• the control system then triggers glue application
• glue residues and variations in the strength of the spine can result in
• the guide including a base and two upstanding sides wherein one of the sides is
• the guide has an aperture in the base through which the adhesive may be
• a transfer carriage adapted to carry said book block through said guide
• a detector issuing a first signal in response to detection of the leading edge of said
• a speed sensor issuing a second signal indicative of the velocity of said book
• the aperture in the base is a slot extending generally in said second
• the guide has an aperture in each of the side walls through which
• the adhesive may also be introduced into the guide.
• the apertures in the sidewalls are
• means are provided for controlling the rate of introduction of adhesive
• At least two such means are provided to respectively control
• the means for controlling the rate of introduction of adhesive into the guide may
• a metering pump include a metering pump.
• Control of introduction of adhesive may also be had alternatively or additionally
• means are provided to control movement of one of the sides which is
• the blocks of sheets will usually be roughened and/or V-notched in the usual
• a transfer carriage adapted to carry a book block
• a detector issuing a first signal in response to detection of the leading edge of the
• a speed sensor issuing a second signal indicative of the velocity of the book
• control means to apply adhesive to the book block during a time determined by
• the adhesive is introduced via a guide and said detector is positioned
• the speed sensor is operatively associated with the
• the transfer carriage is adapted to
• the detector is desirably a fibre optic sensor configured to provide a through
• the speed sensor is desirably a gear driven incremental encoder geared to the
• the adhesive is a polyurethane resin moisture cure glue.
• Figure 1 is a side view of an automated perfect binding machine having a perfect
• Figure 2 is an enlarged perspective view of the perfect binding apparatus
• Figure 3 is a plan view of the apparatus shown in Figure 2;
• Figure 4 is a front elevational view of the apparatus shown in Figure 2.
• Figure 5 is a side elevational view of the apparatus shown in Figure 2.
• a perfect binding machine 10 including a
• transfer carriage 12 adapted to carry a book block 18 through a perfect binding apparatus
• the binding apparatus 20 includes a guide 21 for guiding the side of the book
• the guide 21 is comprised of a block 22 having a slot 23
• the recess 23 is defined by a
• the slidable plate 27 is mounted to the block 22 by
• the width of the recess 23 may be adjusted as desired by the use of an adjusting
• the passage 32 communicates
• the passage 32 communicates with a first AX
• AX 100 F element control valve (not shown). Passages 37 and 38 put the control valves
• An FKS gun is produced by Robatech
• Compressed air is also supplied to the FKS gun. Control of the AX 100 F control valves
• the plate 27 is adjusted to a position suiting the thickness of a block of
• Adhesive is supplied via the heated hose to the FKS gun 39
• the perfect binding machine 10 also includes a control system including transfer
• carriage 12 is adapted to carry the book block 18 through the binding apparatus 20.
• the detector 50 is positioned on the binding apparatus 20 and speed sensor 52 is
• the detector 50 is comprised of a fibre
• the through-beam 58 is broken by the leading edge of the book block
• a first signal for example a voltage or current signal.
• the speed sensor 52 in the form of a gear driven
• encoder to the shaft may be achieved by any number of conventional methods.
• the speed sensor 52 is triggered by the rotation of
• a second signal for example an electrical pulse signal, having a pulse
• Control means generally in the form of a microprocessor
• PLC programmable logic controller
• leading edge detector and the speed sensor allow the control system to accurately apply
• the perfect binding apparatus according to this invention has application in long
• such books include cheque books including bank cheques and travellers
• control system according to the invention provides for accurate
• control system provides for a constant amount of glue application.

Landscapes

• Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=3785148

Family Applications (1)

Country Status (8)

Cited By (2)

Citations (9)

• 1995
  • 1995-01-30 AU AUPN0788A patent/AUPN078895A0/en not_active Abandoned
  • 1995-04-07 NZ NZ270901A patent/NZ270901A/en unknown
• 1996
  • 1996-01-29 WO PCT/AU1996/000042 patent/WO1996023664A1/en active Application Filing
  • 1996-01-29 ZA ZA96641A patent/ZA96641B/xx unknown
  • 1996-01-29 GB GB9713976A patent/GB2311252B/en not_active Expired - Fee Related
  • 1996-01-29 BR BR9606859A patent/BR9606859A/pt not_active Application Discontinuation
  • 1996-01-30 TW TW085101121A patent/TW301631B/zh active
• 1998
  • 1998-03-06 HK HK98101848A patent/HK1002653A1/xx not_active IP Right Cessation

Patent Citations (9)

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