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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Marschke; Carl R.
Address:
Phillips, WI
No. of patents:
76
Patents:


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Patent Number Title Of Patent Date Issued
RE36687 Method and apparatus for making pallet supports and pallets incorporating said supports May 9, 2000
A method and apparatus for manufacturing recyclable paper pallets utilizes spool-shaped laminated supports which are wound on a spool-shaped mandrel utilizing adhesive coated paper strips. In one aspect of the invention, the spool-shaped laminated supports can be glued to conventional up
7998300 Apparatus and method for producing waterproof structural corrugated paperboard August 16, 2011
Two paper webs, saturated with a B-phase phenolic resin and dried, are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured phase, whereafter the webs are joined to form a structurally rigid waterproof si
7922954 Building wall panels of hollow core construction April 12, 2011
Building wall panels having lightweight hollow core interiors include embodiments suitable for interior and exterior walls, for industrial, commercial or residential buildings, and for multi-story structures. Various methods for making these wall panels are disclosed, including the f
7896999 Method of forming open core web elements March 1, 2011
A continuous, fully automated and highly productive system for the production of open core elements utilizes a fluting method and related apparatus effective for providing large pitch flutes for the input webs used in forming the core elements. A wide variety of core elements can be
7866103 Building wall panels of hollow core construction January 11, 2011
Building wall panels having lightweight hollow core interiors include embodiments suitable for interior and exterior walls, for industrial, commercial or residential buildings, and for multi-story structures. Various methods for making these wall panels are disclosed, including the f
7770342 Hollow core floor and deck element August 10, 2010
A stress-optimized structural support which may be utilized as a beam or assembled with similar supports to form a building floor or roof panel or a bridge deck utilizes an open core element, made preferably of suitably treated fluted paper, upper and lower thin skin sheets, preferably s
7459049 Method and apparatus for manufacturing open core elements from web material December 2, 2008
A continuous, fully automated and highly productive system for the production of open core elements utilizes various formations of fluted input webs which are cut into strips, glued, cross-transferred, and serially upended for placement against preceding strips to build up an open co
7296792 Self-valving vacuum distribution for a belt-driven sheet conveyor November 20, 2007
A self-valving vacuum distribution system for a belt-driven sheet conveyor utilizes the sheets to automatically open vacuum control valves sequentially in a downstream direction as the sheet is carried on the belts. The system also automatically adjusts for varying sheet widths to au
6782933 Single facer quick change corrugating rolls August 31, 2004
A corrugator single facer of the type utilizing a large diameter bonding roll and a small diameter corrugating roll provides quick roll change capability by mounting three large diameter bonding rolls on a rotatable turret and carrying corresponding small diameter corrugating rolls in a
6733432 Single facer with resilient small diameter corrugating roll May 11, 2004
A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a corrugating nip. The small diameter corrugating roll is made to be resilient so that it
6623416 Single facer with resilient small diameter corrugating roll September 23, 2003
A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a corrugating nip. The small diameter corrugating roll is made to be resilient by utilizi
6602375 Single facer drive apparatus August 5, 2003
A corrugator single facer of the type utilizing a large diameter bonding and corrugating roll and a small diameter corrugating roll is driven without direct drive applied to either corrugating roll. Instead, the pressure belt arrangement which supports the lower corrugating roll to p
6311754 Single facer with small corrugating roll supported by independently mounted backing rolls November 6, 2001
A single facer utilizes a pair of corrugating rolls, one of which is of a substantially smaller diameter. The small diameter corrugating roll is captured by a series of backing roll arrangements spaced along the axis of the smaller corrugating roll, each of which backing roll arrangement
6171427 High speed corrugator single facer with steam injection January 9, 2001
A method and apparatus for producing a single face corrugated web in which a steam cloud is injected between the corrugated medium web and the liner web directly at the line along which the webs converge. This type of steam injection allows faster corrugator speeds without sacrificing bo
6170549 Single facer with resilient small diameter corrugating roll January 9, 2001
A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a corrugating nip. The small diameter corrugating roll is made to be resilient so that it
6149751 Low pressure single facer November 21, 2000
A method and apparatus for producing a single face corrugated web from an adhesively bonded liner and medium web without the use of a pressure roll nip where the liner web is joined to the medium web. A heated bonding roll with a fluted outer surface carries the single face web around a
6074520 Heated holddown mat for corrugator double backer June 13, 2000
A corrugator double backer includes a web holddown apparatus that provides both heat and a holddown force to the upper surface of the paperboard web to maintain the web in intimate drying contact with the lower heating units without the use of a conventional driven holddown belt. A heate
6048429 Production of double wall corrugated web April 11, 2000
A synchronized flute double wall corrugated paperboard web is produced in a corrugating apparatus utilizing cooperatively operated single facers to provide an intermediate single face web with corrugated media on both faces, and then combining outer liners to both corrugated media im
6044575 Condensate removal from high speed roll April 4, 2000
A rotary steam heated roll of the type having a series of circumferentially spaced, generally parallel and axially extending condensate channels or open-ended steam tubes in the cylindrical outer wall, includes at least one condensate removal pump associated with a channel or steam tube
6018870 Sectional construction for axially long roll February 1, 2000
A large diameter and axially long cylindrical roll is fabricated from axially short cylindrical roll sections to provide a roll with circumferentially spaced, parallel and axially extending steam passages through the outer cylindrical wall of the roll. Through bore portions, which ar
6012501 Single facer with small intermediate corrugating roll and variable wrap arm device January 11, 2000
The labyrinth path in the corrugating nip of a single facer is substantially reduced by utilizing a small diameter corrugating roll captured between a larger diameter conventional corrugating roll and a backing roll arrangement. The smaller diameter corrugating roll is captured to pr
6006806 Laminated corrugating roll December 28, 1999
A heated cylindrical roll for handling and treating a running web of material has a laminated construction in which a series of thin circular rings, each in turn formed from a plurality of flat ring segments, are joined face-to-face to form a hollow cylindrical roll. The segments from
5996246 Edge seal for vacuum preheater December 7, 1999
Flexible edge sealing membranes cooperate with the heating surface of a vacuum preheater and a web moving over the surface (1) to minimize air loss in the portions of the heating surface not covered by the web, (2) to prevent differential heating of the edges of the web induced by un
5967044 Quick change ink supply for printer October 19, 1999
An on demand ink mixing system for a flexographic or similar printer utilizes a chambered doctor blade with a chamber divided by a flexible bladder to form ink chamber and a pressure chamber. Ink use is coordinated with print run length, and ink mixing and the collapse of the ink chamber
5951816 Single facer with small intermediate corrugating roll September 14, 1999
The labyrinth path in the corrugating nip of a single facer is substantially reduced by utilizing a small diameter corrugating roll captured between a larger diameter conventional corrugating roll and a backing roll arrangement. The smaller diameter corrugating roll is captured to pr
5948197 Air pressure assisted beltless holddown for double backer September 7, 1999
An essentially non-contact holddown system for a corrugator double backer utilizes air pressure supplied by a plenum positioned above and closely spaced from the lower heating section which supports the corrugated web. Continuous edge sealing membranes seal the interface between the late
5926973 Vacuum assisted beltless holddown for double backer July 27, 1999
An essentially non-contact holddown system for a corrugator double backer utilizes vacuum pressure through the lower heating section which supports the double face corrugated web. Continuous edge sealing membranes overlie the edges of the web and form, with the web edge and the surface o
5899264 Steam supply and condensate removal apparatus for heated roll May 4, 1999
A steam heated web processing roll includes a fully enclosed steam and condensate flow-through system which maintains the roll end walls at approximately the same operating temperature as the functional cylindrical outer roll shell at normal rotational speeds. The closed loop system also
5897824 Surface heating for a corrugated medium web April 27, 1999
In a single facer, the premoistened medium web is dried on both surfaces to a shallow depth immediately prior to passage through the corrugating nip. The dried shallow surface layers substantially decrease friction between the flutes of the corrugating rolls and the paper while the inter
5891302 Heating module for upper web surface in a double backer April 6, 1999
An apparatus for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a top heating module contacting the upper face surface of the paperboard web for simultaneously heating the paperboard web along with a series of lower heating units. The top heating module
5890301 Thread-up apparatus for a corrugator double backer April 6, 1999
A web thread-up apparatus for a beltless double backer includes a coiled flexible band positioned at the downstream end of the double backer on a reel from which the band may be unwound in the upstream direction through the double backer heating section. A clamping device on the free end
5873974 Composite web material February 23, 1999
An industry standard width composite paper web includes one layer comprising a plurality of narrow web portions derived from trim rolls of paper which are laminated to a second carrier web of the selected standard width. In an alternate embodiment, the carrier web itself may comprise a
5857605 Vacuum assisted web drive for corrugator double backer January 12, 1999
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The web is pulled t
5853527 Stationary holddown mat for corrugator double backer December 29, 1998
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The holddown is pro
5832628 Web holddown with thread-up mechanism November 10, 1998
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The holddown is pro
5797598 Method for shingling and stacking conveyed sheet material August 25, 1998
A conveyor system wherein individual sheets are conveyed from a cutter at a given speed, are increased in speed before passing through a vacuum conveyor shingling section, are slowed down at the shingling section, and then normally proceed at a slowed down speed to the stacker which is
5766409 Apparatus for leveling and supporting the hot plates in a double backer for corrugated paperboar June 16, 1998
Light weight fabricated metal hot plates in a double backer are initially leveled and maintained flat and coplanar against the forces of thermal distortion by utilizing a dense array of adjustable spring biased support assemblies attached to the underside of the hot plate and securing th
5746010 Web holddown and drive for corrugator double backer May 5, 1998
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The holddown is pro
5732609 Sheet saving diverter for corrugator March 31, 1998
A corrugator dry end includes a sheet saving diverter positioned immediately downstream of a rotary shear and a conventional scrap diverter. Useable sheets may be cut to selected useable lengths, diverted and stacked without damage, and without slowing the corrugator line. The useabl
5729910 Rotary drying drum March 24, 1998
A rotary drying drum for a moving web includes a stationary heater drum positioned coaxially within the drying drum such that the drying drum rotates around the heater drum. The heater drum may be supplied with steam via a hollow drying drum shaft without the use of high pressure steam
5706994 Vacuum assisted web drive for corrugator double backer January 13, 1998
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The web is pulled t
5681422 Pressure roll for a single facer October 28, 1997
A single facer apparatus for the production of single face corrugated web includes a pressure roll having a flexible outer surface which is internally biased outwardly to provide the pressure nip for joining the liner and glued corrugated media. A pressure shoe inside the flexible roll
5678816 System for feeding short length sheets for slitting October 21, 1997
A system for feeding and slitting short length, long width sheets and particularly suitable for solid fiberboard materials, includes a dual acting rake-type sheet feeder, a sheet decurling apparatus, and a multi-head slitter, all of which are interconnected to maintain positive sheet
5632830 Adjustable ballast system for a double facer May 27, 1997
A variable load ballast system for the double facer of a corrugator includes a number of rows of holddown belt engaging ballast members positioned in side-by-side relation transversely across the belt, with the rows extending over the full heating section of the double facer. Each of
5628868 Apparatus and method for applying a viscous liquid to a material surface May 13, 1997
An adhesive or other viscous liquid applicator apparatus utilizes a cylindrical glue roll and a reverse acting notched metering or doctor blade which forms, from an initial liquid layer on the roll, a series of laterally spaced liquid beads of metered size. The beads are subsequently
5628865 Single facer with small intermediate corrugating roll May 13, 1997
The labyrinth path in the corrugating nip of a single facer is substantially reduced by utilizing a small diameter intermediate corrugating roll captured between a pair of larger diameter conventional corrugating rolls. The two large diameter rolls capture the smaller roll and preven
5626335 Vertical lift system for delivering sheets in stacks May 6, 1997
A system for continuously delivering sheets which are provided in successive discrete stacks includes a stack infeed conveyor which includes a cushioned upper holddown belt synchronized to operate with a lower supporting infeed conveyor and to provide stability to stacks of relativel
5613673 Sheet stacking apparatus March 25, 1997
A downstacker for paperboard sheets includes a sheet speed reducing shingler positioned in the stacking station and forming a shingling nip with the top sheet of the continuously descending stack. The shingling nip is positioned to engage and nip the next following sheet simultaneously
5600900 Vacuum assisted web drying system February 11, 1997
A system providing wrinkle-free drying of a liquid zone coating applied to a paper web includes a surface of high thermal conductivity heated to a uniform temperature above the boiling point of the coating liquid and over which the web is drawn with the uncoated face in contact with the
5561918 Web holdown and drive for corrugator double backer October 8, 1996
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holddown belt. The holddown is pro
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