U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 493/340 - WITH CUTTING, BREAKING, TEARING, OR ABRADING


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus combined with piercing into a workpiece
No. of patents: 53
Last issue date: 05/13/2008


1    
NumberTitleIssue Date
7370783Device for separating stacked sheets
The separator is based on the mounting of two moveable frames (2) and (2′) on a fixed lower structure (1), mounting corresponding conveyor belts (3) and (3′) being mounted between these frames (2) and (2′), each...
05/13/2008
7367931Laser cutoff stacker assembly
The present invention contemplates a machine and method for performing the laser sealing and laser cutting of flexible material into segments, such as a polymeric web in which the segments will ultimately be individual bags. The machine includes a generally cylindri...
05/06/2008
7361132Cushioning conversion machine and method
A novel cushioning conversion machine and method for converting sheet stock material into a novel cushioning product and for producing discrete sections or pads of desired length, without the need for a cutting assembly, thereby enabling the construction of a less e...
04/22/2008
7329220Sheet punching and embossing machine
A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements...
02/12/2008
7260922Packing material product and method and apparatus for making, monitoring and controlling the same
A monitoring system for monitoring one or more packaging material conversion machines includes one or more sensors for monitoring one or more operating characteristics of the one or more conversion machines. The system also includes a controller in communication wit...
08/28/2007
7258657Cushioning conversion machine and method
A cushioning conversion machine and related methodology characterized by one or more features including, inter alia, a feeding/connecting assembly which enables an operator to easily vary a characteristic, for example the density, of the cushioning product; a feedin...
08/21/2007
7214173Laser for forming bags from a web of material
A fastener includes first and second tracks. The first track includes a first profile, and the second track includes a second profile for interlocking with the first profile. The fastener extends between opposing ends. The first and second profiles at each of the op...
05/08/2007
7156798Blanking station of a diecutting press
The blanking station of a diecutting press comprises an upper cradle for a blanking device and gripper bars for conveying the sheets in progress. This upper cradle includes devices for the removable mounting alternately of a blanking device or of a delivery device o...
01/02/2007
7090272Ergonomic plastic bag handle
The invention is an ergonomic that attaches to a plastic bag. The ergonomic handle has at least two folds formed therein forming a flat bottom surface and a pair of side walls. Lower portions of the side walls are formed into bag arms that secure the plastic handles...
08/15/2006
7024730Handheld device for holding plastic grocery bags
A device adapted to be comfortably grasped in the hand of the user to hold the plastic handles of grocery bags. ...
04/11/2006
6974407Cushioning conversion machine and method
A conversion machine and related method for making a dunnage product by converting a sheet-like stock material of at least one ply into a dunnage product is characterized by a manual reversing mechanism that is useful, for example, for clearing paper jams. The conve...
12/13/2005
6959477Method for manufacturing rotary cutting die
A lower plywood sheet and an upper plywood sheet which are set on a cylinder are cut in two processes by use of a router to create a 1.4-mm-wide groove in the back of the lower plywood sheet and in the front of the upper plywood sheet. Thus, a rotary cutting die whi...
11/01/2005
6820869Variable folder
In order to provide a variable folder which allows smearing-free operation, the cutting blade of an upstream cross-cutting arrangement is provided with recesses, which leave behind residual crosspieces in the strand which is to be cut, and arranged in the product-di...
11/23/2004
6805347Deskew mechanism and method
The skew of a sheet of print media is precisely controlled by intentionally inducing print media deformation, so that cooperative mechanical and gravitational forces may be used to align the leading edge of the sheet. The sheet is driven into a nip region of deskew ...
10/19/2004
6783489Cushioning conversion machine and method
An improved cushioning conversion machine and related methodology characterized by one or more features including, inter alia, a feeding/connecting assembly which enables an operator to easily vary a characteristic, for example, the density, of the cushioning produc...
08/31/2004
6776748Device for breaking the nicks connecting the blanks of a pile of cardboard sheets
A stack of sheets, e.g. cardboard, with each sheet having lines of cut longitudinally and/or transversely. Apparatus for breaking the nicks connecting two edges of line of cut on the stacked sheets includes a first support and transport moving longitudinally and a f...
08/17/2004
6761676Device for controlling printed products
A tape transport system for printed products comprising a first tape, a pulley supporting the tape, and a lever arm supporting the pulley, the lever arm including a first side rail and a second side rail, the pulley supported rotatably between the first and second s...
07/13/2004
6705982Pre-fold sword insertion device
A folder includes a first cutting device for partially cutting a web of material, a former to fold the web of material, so as to form a folded web, a stationary signature opening device located between sides of the passing folded web, and a second cutting device loc...
03/16/2004
6692424Rotary trimmer apparatus and method
A rotary trimmer apparatus and signature trimming method are provided that enable operators to set a gap spacing between a rotating knife and an anvil at different predetermined sizes in an easy and accurate manner. The operator chooses the optimum knife/...
02/17/2004
6648808Plastic big making apparatus
In an apparatus for making plastic bags from a web material comprising two or more layers of plastic film, the material is intermittently fed for a length along a longitudinal feeding path, to successively make plastic bags with wastes, each of the wastes...
11/18/2003
6491614Cushioning conversion machine with tension control
A cushioning conversion machine and method for converting sheet stock material into a cushioning dunnage product and wherein the tension in the stock material is controlled to avoid problems associated with improper tension. A conversion assembly draws th...
12/10/2002
6468196Synthetic decorative grass simulating Spanish moss and method for making same
Curled decorative grasses and methods for producing same are disclosed wherein the curled decorative grasses have improved bulk and simulate Spanish moss in color and appearance....
10/22/2002
6264594Device for handling documents
A device for handling documents comprising a housing containing at least three document receiving stations for shredding a document, folding a document, punching holes in a document, fastening a document, and opening an envelope. The stations correspondin...
07/24/2001
6234946Method for cutting strip to produce grips for bag
A method for producing grips cuts a strip of material to form at least two columns of grips. Each column includes a plurality of grips end-to-end. Each grip formed in the strip of material is of equal shape and dimension. The sides of each grip are shaped...
05/22/2001
6217497Stand-up apparatus for producing flexible pouches
An apparatus for use in a form, fill, and seal packaging machine using preprinted web. The punch apparatus includes a registration sensor, a controller, a punch mechanism, a secondary servo feed drive and a dancer system. The registration sensor reads a r...
04/17/2001
6174273Cushioning conversion machine with tension control
A cushioning conversion machine and method for converting sheet stock material into a cushioning dunnage product and wherein the tension in the stock material is controlled to avoid problems associated with improper tension. A conversion assembly draws th...
01/16/2001
6168560Cushioning conversion machine and method with pad transferring device
A cushioning conversion machine (20) including a converting assembly (52, 54) which converts a sheet-like stock material (22) into a strip (31) having at least one pillow-like portion (33) and another portion (34), and a severing assembly (56) which sever...
01/02/2001
6139480Cutting device for effecting a partial cut in a packaging material, and a blank produced therefrom
A cutting device for imparting a partial incision to a blank, the blank produced therefrom, and a method for producing are disclosed herein. The partial incision in the blank creates an access area wherein a fitment is placed thereover in a post processin...
10/31/2000
6095219Method for splitting up a honeycomb panel, thus obtained separator and separator for abrasive plates
A method for splitting up a honeycomb panel, preferably for use as a separator for sheets and, particularly, breakable sheets such as glass sheets, starts with a sheet of honeycomb material with a cover layer on both sides. During the splitting up, each c...
08/01/2000
6071221Cardboard cutting kit
A cutting device is provided including a base adapted for being fixedly positioned on a piece of material to be cut. Also included is a handle slidably mounted on the base. Next provided is a control assembly including a shaft slidably mounted on the hand...
06/06/2000
6056682Method and apparatus for severing a running material web in a folding apparatus of a web-fed rotary printing press
The present invention generally relates to severing a running material web in a folding apparatus of a web-fed rotary printing press. In one exemplary embodiment, a severing element is moved in the traveling direction of the web with a speed which is subs...
05/02/2000
6037036Cushioning conversion machine with stitching wheels having hook projections
A cushioning conversion machine, converting method and dunnage product characterized by a novel connecting assembly which provides a unique interlock between overlapped portions of sheet-like stock material forming a dunnage product to prevent "unzipperin...
03/14/2000
6004253Medical adhesive bandage manufacturing
A machine and method for converting a web having an indefinite length which includes a plurality of converting stations circumferentially spaced about an process drum. At least one of the converting stations includes a helical follower gear operatively me...
12/21/1999
5766123Presser assembly
A presser assembly (10) is provided for supporting carton blanking scrap during a blanking operation. The presser assembly (10) includes a presser rail (114) having a first end (116) mounted to a guide cylinder (32) and a second end (154) mounted to a sec...
06/16/1998
5690601Method and apparatus for slitting and scoring corrugated paperboard sheets for folding
Corrugated paperboard box blanks are formed with corner fold lines defined by a colinear slit and score. The score deflects one slit edge of the liner out of the plane of the blank such that, when a subsequent lateral fold is made on the line, one slit ed...
11/25/1997
5674344Loose fill packaging material
Loose fill packaging material consists of elements (21) having a central liner (15) and a corrugated medium (17) on both sides of the liner. The element is made from fibreboard material. A method is disclosed of making the element by securing together the...
10/07/1997
5651851Method for making insulated container blank
A flat insulated container blank for forming the sidewall of a conventional insulated paper container made on a rotary turret single wrap cup making machine includes an inner layer of container stock, an intermediate layer of insulating material adhered t...
07/29/1997
5626719System for sizing paper and cardboard
A process for increasing the resistance of the cut edges of liquid packaging board to penetration by hot hydrogen peroxide, comprising adding to an aqueous pulp slurry at a neutral to alkaline pH, either separately or in preblended form an aqueous emulsio...
05/06/1997
4931031Method for improved container internal raw edge protection
A method of forming a skived edge on the inside panel of a thermoplastic coated paperboard container, in part while the container is part of a web or sheet of paperboard material, and in part on individual blanks after being cut from the web or sheet. Mor...
06/05/1990
4666044Tear-open flap orifice on packs consisting of plastic-coated laminated material with a folded-round fillet-seam closure and a process for producing the tear-open flap orifice
The invention relates to a tear-open flap orifice on packs consisting of plastic-coated laminated material with a folded-round fillet-seam closure (10), there being in a first seam region (14) at least one full cut and in a second seam region (15) at leas...
05/19/1987
1    
 
Sign InRegister
Username  
Password   
forgot password?