| Patent Number |
Title Of Patent |
Date Issued |
| RE37237 |
Stretch wrapping with film severing |
June 26, 2001 |
| A load of stretch wrap with a sheet of stretch wrap packaging material by feeding a sheet through a stretch wrap dispenser and stretching and dispensing from the dispenser, and providing relative rotation between the dispenser and the load to wrap the stretched sheet around the load. The |
| 6748718 |
Method and apparatus for wrapping a load |
June 15, 2004 |
| The present invention relates to an apparatus and method for stretch wrapping a load in an efficient manner so as to tightly and securely wrap the load at a desired tension without rupturing the packaging material. The method and apparatus compensate for variation in demand rate as the |
| 5941049 |
Method and apparatus for stretch wrapping a load |
August 24, 1999 |
| A leading end of packaging materials placed in a retainer to hold the leading end of the packaging material in the retainer. Packaging material is dispensed from a packaging material dispenser, and relative rotation is provided between the dispenser and a load to wrap packaging material |
| 5873214 |
Method and apparatus for load building and stretch wrapping |
February 23, 1999 |
| A load portion is engaged in an infeed area and transported from the infeed area to a wrapping area with rotational, horizontal, and vertical carriers. Those carriers move the portion of the load horizontally along two horizontal degrees of freedom and one vertical degree of freedom by |
| 5850726 |
Wrapping apparatus and method |
December 22, 1998 |
| A stretch wrapping machine includes a packaging material dispenser for dispensing packaging material and a segmented wrapping frame for supporting the packaging material dispenser. The frame includes segments of track which are assembled to one another to form a track for the packagi |
| 5836140 |
Wrapping a load while controlling wrap tension |
November 17, 1998 |
| A stretch wrapping machine includes a film dispenser for dispensing packaging material and tensioning control means for controlling the tension of the packaging material during application to a load. The dispenser and tension controlling means may be used with a round frame, a frame |
| 5819503 |
Method and apparatus for wrapping a load including a waterproof top sheet |
October 13, 1998 |
| Loads are stretch wrapped by applying a waterproof top sheet to a load, lifting the edges of the waterproof top sheet while the sides of the load are wrapped with waterproof packaging material, releasing the edges of the waterproof top sheet and securing the edges of the waterproof top s |
| 5758471 |
Load building and wrapping apparatus |
June 2, 1998 |
| A method of building and wrapping a load including infeeding load units to an infeed area of a layer building area at an infeed level below a desired height of the load, repeatedly building load layers in a layer building area from load units incoming from the infeed area at the infeed l |
| 5758470 |
Method and apparatus for placing cornerboards and wrapping a load |
June 2, 1998 |
| A load is stretch wrapped with a sheet of stretch wrap packaging material dispensed from a stretch wrap packaging material dispenser. A cornerboard is attached to the sheet of stretch wrap packaging material and transported to the load with the stretch wrap packaging material. Relative |
| 5749206 |
Stretch wrapping apparatus |
May 12, 1998 |
| A stretch wrapping apparatus is provided for stretch wrapping a load with a stretch wrapping material. The apparatus includes a dispenser for dispensing stretch wrapping material and a mechanism for rotating the dispenser around an axis of rotation to wrap the stretch wrapping material |
| 5588287 |
Wrapping apparatus with barrier |
December 31, 1996 |
| An apparatus for stretch wrapping a load with stretch wrap packaging material includes a dispenser for dispensing a sheet of stretch wrap packaging material and a turntable assembly for supporting and rotating a load about a generally vertical axis to wrap the sheet of stretch wrap p |
| 5572850 |
Stretch wrapping with film severing |
November 12, 1996 |
| A load of stretch wrap with a sheet of stretch wrap packaging material by feeding a sheet through a stretch wrap dispenser and stretching and dispensing from the dispenser, and providing relative rotation between the dispenser and the load to wrap the stretched sheet around the load. The |
| 5570564 |
Stretch wrapping apparatus with film roll support |
November 5, 1996 |
| A stretch wrap dispenser includes a support for a roll of stretch wrap packaging material and a core which permits the roll to rotate. The support has an indexing portion with an outer radial area for contacting and indexing one axial end of the stretch wrap packaging material at a p |
| 5546730 |
Method and apparatus for placing corner boards and stretch wrapping a load |
August 20, 1996 |
| A load having top and bottom caps is stretch wrapped at a wrapping station having turntable and a dispenser for dispensing stretch wrap packaging material, and a corner board placer for placing a corner board having tapered top and bottom edges on each corner of the load. With the load |
| 5522203 |
Biaxial stretch wrapping |
June 4, 1996 |
| Stretch wrapping packaging material on a load includes introducing such wrapped packaging material onto tips of projecting portions of the first grooved rollers so that the packaging material spans the nonprojecting portions of the first grooved roller. The web of the packaging material |
| 5488814 |
Stretch wrapping of roll products |
February 6, 1996 |
| A roll product is wrapped with a sheet of stretch wrap packaging material dispensed from a stretch wrap dispenser. A portion of the sheet is positioned between a clamp and the stretch wrap dispenser so that the portion of the sheet is across a load path between the load and a roller |
| 5463842 |
Method and apparatus for stretch wrapping the top and sides of a load |
November 7, 1995 |
| A method and apparatus for wrapping the top and sides of a load. A web dispenser dispenses and stretches web on the direction in which it is dispensed. The load is rotated relative to the web dispenser as web is wrapped onto the load. The web dispenser is positioned in an orientation |
| 5421141 |
Stretch wrapping machines with support bearing arrangements |
June 6, 1995 |
| A stretch wrapping machine includes a web dispenser and a rotatable support for providing relative rotation between the web dispenser and load to wrap a web of packaging material around the load. Cooperating bearing members engage each other for supporting the rotatable support and permi |
| 5414979 |
Stretch wrapping apparatus |
May 16, 1995 |
| A stretch wrapping apparatus includes a dispenser for dispensing stretch wrap packaging material. The dispenser includes upstream and downstream prestretch rollers for engaging and stretching stretch wrap packaging material. The dispenser also includes an intermediate orienting roller |
| 5315809 |
Stretch wrapping emergency stop |
May 31, 1994 |
| A stretch wrapping machine includes a web dispenser and a rotatable support for providing relative rotation between the web dispenser and load to wrap a web of packaging material around the load. Cooperating engagement members are selectively and positively engageable with each other |
| 5311725 |
Stretch wrapping with tension control |
May 17, 1994 |
| A stretch wrap packaging machine includes a support frame and a rotatable frame rotatably mounted on the support frame. A dispenser is mounted on the rotatable frame to follow an orbital path. The dispenser has a web tensioning system which is selectably operable in a plurality of states |
| 5195297 |
Unitized display packages and method and apparatus for utilizing display packages |
March 23, 1993 |
| A load of successive units stacked in a longitudinal direction has aides with junctions extending in a lateral direction between successive units. Each of the units has at least one relatively high strength area which is resistant to circumferential crushing in the lateral direction and |
| 5186981 |
Rollers for prestretch film overwrap |
February 16, 1993 |
| A coated roller for transportation and stretching of plastic film web during load unitization, and a process for preparation of the coated roller. A cylindrical metallic roller core is pitted by blasting, then primed, heated and immersed in a room-temperature liquid plastisol compris |
| 5161349 |
Biaxial stretch wrapping |
November 10, 1992 |
| Stretch wrapping packaging material on a load includes introducing stretch wrap packaging material onto V shaped tips of projecting portions of a first grooved roller so that the packaging material spans the nonprojecting portions of the first grooved roller. The web of packaging mat |
| 5155970 |
Method and apparatus for stretch wrapping a load using a film web reversing technique |
October 20, 1992 |
| A method and apparatus for stretch wrapping a load with a film web having a tacky surface and a non-tacky surface. The film web is wrapped around the load in a forward direction with the tacky surface facing away from the load. The orientation of the film web is reversed by inserting a m |
| 5140800 |
Method and apparatus for severing packaging material between successive wrapped loads |
August 25, 1992 |
| A method and apparatus is provided for severing packaging material which extends between successive wrapped loads during a continuous packaging process. A conveyor assembly conveys the wrapped loads along a load path in a conveying direction. The conveyor assembly includes a first convey |
| 5056653 |
Roller conveyor |
October 15, 1991 |
| A conveyor includes a frame and a series of closely spaced rollers. Each roller has an outer circumferential surface, a first end portion journalled on an axle supported by the frame on one side of the conveyor and a second end portion journalled on an axle supported by the frame on |
| 5048261 |
Top sheet dispenser for a stretch wrapping apparatus |
September 17, 1991 |
| A method and apparatus for dispensing a top sheet and stretch wrapping includes a dispenser for dispensing a sheet from a roll of sheet material and a trough for receiving, containing and collapsing the dispensed sheet. A circulating bar draws the dispensed sheet from the trough over the |
| 5031771 |
Roped stretch wrapping system |
July 16, 1991 |
| The present invention comprises a wrapping apparatus having a frame, a reciprocally driven carriage moveably mounted on the frame, the carriage being adapted to hold a rotatable roll of stretchable film material and a film width varying mechanism. A driven rotatable turntable adapted to |
| 4953336 |
High tensile wrapping apparatus |
September 4, 1990 |
| A film web is dispensed from a film web dispenser and wrapped around a bundle by moving the bundle into an applicator mandrel, revolving the film web dispenser relative to the applicator mandrel, dispensing the film web from the film web dispenser on to the applicator mandrel at a consta |
| 4901581 |
Method and apparatus for testing stretch film |
February 20, 1990 |
| A method and apparatus for testing the properties of stretch film include collapsing a web of stretch film into a rope, anchoring the rope web at two locations and stretching an intermediate portion of the rope web a first distance in a first direction between the locations where it is |
| 4866909 |
High tensile wrapping process |
September 19, 1989 |
| A film web is dispensed from a film web dispenser and wrapped around a bundle by moving the bundle into an applicator mandrel, revolving the film web dispenser relative to the applicator mandrel, dispensing the film web from the film web dispenser on to the applicator mandrel at a consta |
| 4858415 |
Method and apparatus for unitizing tires |
August 22, 1989 |
| A method and apparatus for unitizing a load of tires stacked in a longitudinal direction. The stack of tires is compressed in the longitudinal direction between two platens located adjacent the ends of the stack of tires. A web is dispensed and stretched along the direction in which |
| 4845920 |
Roped stretch wrapping system |
July 11, 1989 |
| The present invention comprises a wrapping apparatus having a frame, a reciprocally driven carriage moveably mounted on the frame, the carriage being adapted to hold a rotatable roll of stretchable film material and a film width varying mechanism. A driven rotatable turntable adapted to |
| 4779396 |
Wipe down arrangement for wrapping apparatus |
October 25, 1988 |
| An arrangement for wiping down a web wrapped on a load includes a wiper support; and a wiper including at least one strip having two ends, a thickness, a width substantially greater than the thickness, and a length extending between the two ends, at least one end secured to the wiper |
| 4775360 |
Autologus blood methods and apparatus |
October 4, 1988 |
| The present invention is directed to improved methods and apparatus for the collection of blood, which are particularly useful for autotransfusion purposes. The apparatus includes a conventional blood transfer bag which is in turn placed in fluid communication with an air-blood separator |
| 4772256 |
Methods and apparatus for autotransfusion of blood |
September 20, 1988 |
| The present invention is directed to improved methods and apparatus for the collection of blood, which are particularly useful for autotransfusion purposes. The apparatus includes an upper reservoir wherein the collected blood enters the device. A lower container is placed in fluid c |
| 4765120 |
Film web perforation |
August 23, 1988 |
| A device for perforating a film web while wrapping a load which the film web includes a web dispenser for dispensing the film web and an arrangement for providing relative rotation between the load and the web dispenser to wrap the film web on the load. It also includes electrodes po |
| 4756143 |
Lower guided lower driven wrapping device |
July 12, 1988 |
| A device for wrapping a load with a web includes a web dispenser, a frame for supporting and carrying the web dispenser in the path around the load including a first track extending along substantially less than the full angular extent of the path, and a second track extending along |
| 4754594 |
Z-stretch wrapping system |
July 5, 1988 |
| The present invention comprises a wrapping apparatus having a frame, a reciprocally driven carriage moveably mounted on the frame, the carriage being adapted to hold a rotatable roll of stretchable film material and a film width varying mechanism. A driven rotatable turntable adapted to |
| 4747254 |
Web threading device |
May 31, 1988 |
| A device for threading the leading end of a web through a web path between a series of rollers in shafts includes a leader line for attachment to the leading end of the web and for drawing the web through the web path. There is also a leader path on one side of the series of rollers whic |
| 4738079 |
Method and apparatus for severing packaging material between successive wrapped loads during a c |
April 19, 1988 |
| A method and apparatus is provided for severing packaging material which extends between successive wrapped loads during a continuous wrapping process. Wrapped loads are conveyed along a load path in a conveying direction. A severing bar which extends lateral to the conveying direction |
| 4722170 |
Upper guided lower driven stretch wrapping device |
February 2, 1988 |
| A stretch wrapper wraps a load with a web dispensed from a web dispenser and includes a frame for supporting and revolving the web dispenser around the load and about a vertical axis. A support is attached to the upper portion of the frame to support the frame from above and guide the fr |
| 4712686 |
Power assisted roller-stretch apparatus and process |
December 15, 1987 |
| A process and apparatus for pre-stretching a plastic film material above its yield point in a roller assembly comprising at least two rollers connected for rotation at different speeds during a load wrapping operation. The downstream roller is at least partially driven by the film we |
| 4712354 |
Dual rotating stretch wrapping apparatus and process |
December 15, 1987 |
| A novel apparatus and process for high speed continuous film web wrapping of uniform loads, in which a first wrap is applied in a first direction transverse to the path of the moving load and a second wrap is applied in a second direction opposite the first direction. This dual wrap null |
| 4691497 |
Film lamination stretch wrapping |
September 8, 1987 |
| A method and apparatus for assembling and dispensing a multi-ply web and wrapping a load with the multi-ply web includes a film web dispenser for receiving a plurality of webs from a plurality of rolls of web material, juxtaposing the plurality of webs to form a multi-ply web and dispens |
| 4676048 |
Supply control rotating stretch wrapping apparatus and process |
June 30, 1987 |
| A rotatable film wrapping apparatus for wrapping a load on a conveyor with an overwrap of stretched plastic film web, having a ring-mounted film web pre-stretch mechanism which stretches and dispenses film at a varying speed controlled independently of variations in film tension and spee |
| 4593518 |
Flexible wrapping apparatus |
June 10, 1986 |
| The invention comprises a novel apparatus having a plurality of flexible members which extend downstream horizontally along a wrapping conveying assembly for making unitary packages which are wrapped on all sides. The apparatus is particularly adapted for wrapping of loads with lengths a |
| 4549388 |
Package sealing apparatus |
October 29, 1985 |
| The invention comprises a novel apparatus for making unitary completely wrapped packages. In the apparatus, a series of loads are fed into a wrapping apparatus onto a wrapping conveyor assembly comprised of a plurality of conveyors. The film is continuously wrapped around the load an |
| 4524568 |
Power assisted rotatable film wrapping apparatus |
June 25, 1985 |
| A rotatable film wrapping apparatus for wrapping a load on a conveyor with an overwrap of stretched plastic film web, having a film web pre-stretching mechanism which is provided with a constant torque by a power assistance mechanism. The power assistance mechanism comprises a statio |
