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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Lantech, Inc. Patents
Assignee:
Lantech, Inc.
Address:
Louisville, KY
No. of patents:
69
Patents:


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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
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