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7578779 |
Bag machine and winder
A method and apparatus for making and winding bags is disclosed. The bag machine includes an unwind section, a forming section, and a winder. The winder has an infeed nip and two spindles. Each...
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7510515 |
Packaging bag and method for manufacturing same
A packaging bag comprises a main bag body and a framework member. The main bag body is made of plastic film material through a main bag body formation process. The main bag body has an opening and...
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7048224 |
Wave-cut overlapping trash bags
A process for assembling wave-cut trash bags for overlapping dispensing includes the steps of providing a flattened blown-film polymeric tube; providing sets of closely spaced, parallel seals...
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6651858 |
Adjustable wrappage film feeding device
An adjustable wrappage film feeding device includes a chassis having end plates rotatably supporting a driving shaft therebetween. The driving shaft is driven by a motor via a worm—worm gear...
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6261215 |
Rectangular thin film pack
A pack comprises a horizontal base and vertical side walls formed from a blank. The side walls are joined to each other in planes perpendicular to the base and form stiffening ribs. The side walls...
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6224528 |
Method for making bag constructions having inwardly directed side seal portions
A bag construction includes first and second opposed panel sections. Each of the panel sections have first and second opposite side edges. The panel sections are secured to one another along at...
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6168558 |
Roll of bags and method and device for producing the same
Method and device for producing rolls (17) of bags. At least one longitudinal side edge (15, 16) of a line of overlapping bags (17) is folded towards the centre axis of said line of bags. The line...
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6027438 |
Method and apparatus for manufacturing a fluid pouch
An apparatus for inserting a dip strip within a flexible pouch. The apparatus has a first advance means for advancing a predetermined length of the dip strip material and a punch means for punching...
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6024683 |
Apparatus and method for fabricating containers
A pouch making machine which simultaneously creates perimeter seams for a plurality of pouches on a web and temporarily stores the seamed web in an accumulator at the conclusion of the seaming...
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6021621 |
Process for bonding a zipper seal to a package in a form, fill, seal machine
A zipper sealer machine for use with a form, fill and seal machines and the method for bonding strips of reclosable fastener material to the film of a form fill and seal machine. Strips of...
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6015373 |
Method for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag
A cross-laminated synthetic resin fabric mesh material is formed into wicket-top produce bags for use with automatic bag filling equipment. A longitudinally moving sheet of the mesh is folded and...
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5993368 |
Apparatus for manufacturing shipping pouches
The present invention is an apparatus for manufacturing interconnected, easily separable, protective pouches, made from heat-sealable material, and adapted to enclose and protect objects. The...
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5957821 |
Apparatus for cutting a strip-type packaging
An apparatus for the dimensionally accurate cutting of a product carrier (1) which is in the form of a strip, is transported further in a cyclic or continuous manner in the longitudinal direction...
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5935367 |
Apparatus and method for forming handles in plastic bags
An apparatus and method for forming specially-configured handles in a plurality of interconnected plastic bags traveling in a longitudinal direction. The plastic bags are interconnected along...
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5890810 |
Manufacture of bags
An extruded plastics tube is flattened and the lateral side portions (4) are folded to form inwardly extending gussets (2). Each gusseted side portion is then folded about a longitudinal fold line...
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5868658 |
Method of and apparatus for producing beverage containers
The invention relates to a method of and an apparatus for producing beverage containers. For making beverage containers having a piercable through-hole for a straw in their front sheeting, which is...
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5833107 |
Apparatus for drawing, a web through a synchronization section of a bag making machine
A split bag making machine includes a first primary split draw roller and a second primary split draw roller, each having first and second web contacting sections which are independently rotatable,...
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5830117 |
Torque control for continuous motion bag machine
There is provided a torque control assembly for use on a continuous motion bag machine comprising torque driven means and a drive for driving a motor wherein the torque driven means is operatively...
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5830118 |
Packaging machine for forming free-standing pouches
Longitudinally spaced pairs of laterally spaced openings are formed in a web of material prior to the web being folded into a pouch having a gusset bottom, the holes enabling the side panels of...
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5800325 |
High speed machine and method for fabricating pouches
A pouch making machine which simultaneously creates perimeter seams for a plurality of pouches on a web and temporarily stores the seamed web in an accumulator at the conclusion of the seaming...
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5785794 |
Seal roll index
An apparatus for indexing a seal roll which is engagable by a heat seal head to prevent the contact area of said heat seal head from successive landing at the same location on the seal roll...
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5746569 |
Bag forming machine having adjustable support structure for paired work elements
A bag machine includes a hole forming apparatus with a pair of adjustably mounted hole punches and a wicketing apparatus including a pair of wicket pins. Both the punches and pins are separately...
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5702339 |
Method for making a heavy duty bag having an easy opening spout
A plastic, heavy duty bag having an easy opening pouring spout, and a method and apparatus for forming a plastic, heavy duty bag having an easy opening pouring spout are disclosed. The bag includes...
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5690600 |
Retractable web separator
An apparatus (31) and a method are disclosed for temporarily separating multiple webs (51,53) while performing an operation (123,125,133) thereon, including the feeding of multiple webs (51,53),...
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5683340 |
Method of making easy open thermoplastic bag
There is provided a thermoplastic film bag having at least two integral members that facilitate opening the bag. The bag is manufactured from a flattened tube of thermoplastic material which may be...
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5540644 |
Packing bag for light sensitive materials and manufacturing method therfore
A bag for packing a light-sensitive material is disclosed. The bag has an outermost surface and an innermost surface and is essentially consisting of a material for making the bag which comprises...
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5514067 |
Easy open feature for polymeric package with contents under high compression
An improved top opening, rectangular flexible bag for containing a stack of highly compressed flexible articles. The bag has front and back panels, two side panels and top and bottom panels, all of...
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5496251 |
Method and apparatus for manufacturing a shell-shaped package, and such shell-shaped package
The invention relates to a method of manufacturing shell-shaped packages, in particular flower sleeves, in which two superposed bands of synthetic material are supplied and machined through die...
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5421802 |
Registration process
The present invention features a high-speed registration system for the manufacture of plastic bags. The system has a registration apparatus that senses the leading and trailing edge of each...
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5417639 |
Bags and method of making same
A container strip in the form of a chain of interconnected preopened bags with openings having longitudinal dimensions of at least about 1/32 inch is disclosed. The container strip provides greatly...
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5312318 |
Packaging method and means
Twin compartment packets, e.g. tea bags, are formed with the compartments connected at the heads of the packet and optionally at the tails. The packets are produced from a pair of compartmented...
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5244450 |
Process of making blocks of bags
To make blocks of bags having blocked stubs, which are joined by perforation lines substantially only to the lower opening-defining edge of each block, which lower edge is separated by a...
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5181365 |
Method and apparatus for forming individual pouches from a continuous web and packaging a product in the individual pouches
The present invention includes a process and apparatus for producing highly specialized individual product pouches with high efficiency and simplicity at production speeds that are easily...
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5045042 |
Plastic film bag with integral plastic film tie element, and associated fabrication methods
A series of bags are fabricated using a continuous, high-speed bag-forming process in which an elongated section of flattened film tubing is longitudinally conveyed toward a receiving station in...
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5021039 |
Apparatus for manufacturing air cushion dispatch packages
An apparatus for manufacturing air-cushion dispatch packages, the apparatus comprising an unwinding mechanism for paper webs and air-cushion foil webs. The apparatus introduces air-cushion foil...
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5013290 |
Serial dispensing bags which open automatically
A method for producing a serialized bundle of thermoplastic T-shirt grocery bags which serially open upon being dispensed. Specifically, a bag being removed from the serialized bundle of...
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4988332 |
Method for producing packing bags which can be stacked on a wicket
A method for the production of packing bags which can be stacked on a wicket and unfolded while being filled, and for that purpose are provided at the bottom end of the bag with exposed wicket...
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4931034 |
Bags made from thermoplastic synthetic resin sheeting having cutoff weld seams and process for producing the bags
A process for the production of bags from thermoplastic synthetic resin sheeting with a bottom seam and/or a lateral seam fashioned as a cutoff weld seam obtained by severing tubular film sheets in...
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4929224 |
Plastic bag forming machine
A method and apparatus for the automatic manufacture of flat bottom bags from a substantially continuous supply of a sealable material whereby the material is formed as a bag having a reinforced...
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4909356 |
Fully self-service check-out counter incorporating an integral apparatus for on demand manufacturing of custom-sized bags conforming to the volume of articles received therein
A self-service check-out counter for cashier-unattended use and operation includes an laser scanner for automated reading of product identification codes borne by articles to be purchased, a...
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4906228 |
Method and apparatus for the manufacture of plastic bags in pairs with side seams
The invention relates to a process and apparatus for the paired manufacture of carry bags from synthetic resin sheeting with lateral weld seams and an approximately sinusoidal load-bearing rim with...
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4883450 |
Process for making single side free plastic bag
The present invention is a method of continuously making thermoplastic film bags having one-side-free for separation from an opposite side. The method includes providing a continuous tube of...
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4832677 |
Method and apparatus for producing draw tape bags
A method and apparatus for forming draw tape bags wherein the bag material moves continuously during the manufacture, except for the last step. The apparatus may be used with an in-line system...
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4826476 |
Apparatus for stacking flat articles, preferably double bags made of plastic film
Apparatus for stacking flat articles which in an intermediate portion are formed with locating holes and preferably consist of double bags having opening-defining edges disposed adjacent to their...
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4798576 |
Bag making machine
A bag making machine having a combination of a first dancer with multiple-rolls and a second dancer with a single roll for accumulating a web of flattened tubular thermoplastic material between...
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4758214 |
Twin wicketing bag machine
This application discloses a method and apparatus for converting thermoplastic web material, flat or tubular, to produce bags. A conventional bag machine produces web segments provided with a group...
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4735602 |
Bag stacking method and apparatus
Disclosed is stacking arrangement for accumulating a plurality web segments of substantially identical dimensions on sharpened pins projecting upwardly from a support plate located at a stacking...
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4714455 |
Hem folder with integral tape inserter for making draw tape bags
Draw tape bags are made with folding surfaces which decrease in width to the final bag height. One edge of each side of a moving web of film is tucked onto a side of a surface to produce a hem in...
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4702731 |
Thermoplastic bag machine
Disclosed is a mechanism, associated with a thermoplastic bag making machine, for preparing a strip of thermoplastic to produce bags having the upper edges of the bag mouth formed in a sinusodial...
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4699607 |
Method and apparatus for producing bags
A method and apparatus for producing thermoplastic bags from an elongate web. Apparatus for feeding the web includes devices for producing mounting holes and perforations along a circular path...
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