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359results about "Multiple wrapper application" patented technology

Stretch wrap films

InactiveUS6093480AImprove clingImproved maximum stretchWrappers shrinkageSynthetic resin layered productsStretch wrapGram
A multilayer, thermoplastic stretch wrap film containing at least three polymeric film layers and comprised of a first layer and a second layer. The first and second layers may comprise a polymer of two or more monomers, wherein a first monomer is ethylene, in a major amount by weight, and a second monomer is an alpha olefin of from about 3 to about 12 carbon atoms, in a minor amount by weight. If the first and second layers are outer layers, they have a cling force to each other of at least about 140 grams/inch. The stretch wrap film also has at least one inner polymeric layer, located between the first and second layers. The inner polymeric layer comprises a low polydispersity polymer having a polydispersity of from about 1 to about 4, a melt index (I.sub.2) of from about 0.5 to about 10 g/10 min., and a melt flow ratio (I.sub.20 /I.sub.2) of from about 12 to about 22. The inner layer(s) comprise(s) from about 5 wt. % to about 40 wt. % of the stretch wrap film so as to produce a film having a maximum stretch of at least 340%, a F-50 dart drop value of at least about 130 g/mil, a machine directional tear resistance of at least about 125 g/mil and a transverse directional tear resistance of at least about 500 g/mil. It is contemplated that additional outer layers may be added such an outer high cling layer or an outer slip layer, as well as additional inner layers.
Owner:BERRY PLASTICS CORP

Computerized, monitored, temperature affected, delivery system for perishable goods

A "safe delivery"SM system for delivering perishable groceries (120/120'), including an inexpensive, corrugated cardboard box (100); a source of cold (or heat as needed) maintaining the temperature inside the box within a desired temperature range for hours, using an all encompassing pouch of packet material (110/10), used individually (FIGS. 2 & 3) or collectively (FIGS. 5 & 6), with each packet (17) containing a super-absorbent polymer (14, FIG. 12) which is hydrated (14', FIG. 12A) and then either frozen (e.g., in a freezer) or heated (e.g., in a microwave), without producing moisture as the polymer returns to its natural state; a protective cover (130) protecting the box and its contents from heat radiation (e.g., sunlight). Other components (e.g., bubble wrap 140, sealing tape 133) prevent heat attacking convection and/or conduction, with the cover having multiple plies with an outer metallized surface (131); a time/temperature monitoring alert (134) indicating when either a maximum predetermine temperature or a maximum allowed, elapsed time from packing to opening has been exceeded. If so, the customer knows that the perishable items are not warranted to be safe, and the customer is responsible for contacting the purveyor for a return of the goods. A computerized methodology (FIG. 1) insures that the purveyor knows at least approximately when the customer has opened the packed groceries, etc., using a predictive calculator and an automated tracking system, in which the customer is obligated to transmit a unique code, preferably through an automated telephonic or Internet system, when the package is opened.
Owner:THERMAFREEZE PRODS CORP

Transportable container for bulk goods and method for forming the container

InactiveUS6918225B2Avoid damaging the materialStabilizing and compressingPackaging cigaretteWrapper folding/bending apparatusEngineeringParticulate material
A transportable container for bulk goods and a method for forming the container are disclosed. The transportable container is formed from a bag having a closed base and an open top. The open top is in a folded over position and a bottom support is located adjacent to the closed base. A particulate material is filled into the bag and an outer wrap is spirally wrapped around the bottom support and the bag such that the outer wrap secures the bag to the bottom support and secures the open top in the folded over position. The method for forming the transportable container includes the steps of securing the open top of the bag in an opened position and supporting a base of the bag. The bag is filled to a predetermined level with a particulate material and while being filled the fill level of the particulate material in the bag is monitored. Simultaneously with filling of the bag, an outer wrap is spirally wrapped around the bag in an upward direction to a predetermined fill level. Once the bag is completely filled the open top of the bag is released and moved into a folded over position whereupon the outer wrap is spirally wound around the bag in a downward direction to secure the open top in the folded over position thereby forming the transportable container.
Owner:KELLOGG CO
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