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Class 53/570 - Bag or sack


Subclass of Class 53 - Package making
Definition: Apparatus in which the receptacle is a sack or pouch made
No. of patents: 355
Last issue date: 02/08/2011


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NumberTitleIssue Date
4244159Machine for producing packages sequentially from continuous flexible tubing
A packaging machine for packaging articles is provided. The packaging machine employs a source of packaging material in the form of a length of plain plastic tubing. The machine is relatively simple and maintenance free, employing but one station. In a pr...
01/13/1981
4232504Pouch forming and filling mechanism with provision for increasing the capacity of the pouches
Pouching apparatus for increasing the volume of material packed into a pouch. The apparatus includes a filler wheel assembly, means for rotating said assembly, a vacuum transfer wheel mounted below said filler wheel assembly and rotatable therewith, a plu...
11/11/1980
4231214Device for inserting a microfilm into microfilm jackets in series
In a preferred embodiment, a microfilm-inserter machine includes separate serially-arranged microfilm jacket supports. At-least one of the supports is laterally movable, adapted for facilitating insertion of cut-sections of microfilm into microfilm jacket...
11/04/1980
4229928Method of and an apparatus for packaging consumer goods
Two superimposed layers of thermally weldable material are welded to one another at welding zones delimiting respective receptacle preforms having respective open ends and connected in series to a transporting strip which extends longitudinally of the pro...
10/28/1980
4219054Method and apparatus for filling valve bags
A method and system for filling and for sealing valve bags of the type having a water activated sealing means on the interior of the filling valve. A fill spout or nozzle is provided to maintain the filling valve free from contamination by the material be...
08/26/1980
4189899Apparatus for de-aerating and vacuuming packing with tight closing anti-pollution device
A de-aeration and vacuum packaging apparatus includes porous closeable disks and a tight closing, anti-pollution filler device. The apparatus is suitable for use with a machine adapted for filling packages with a freely flowing material which includes bag...
02/26/1980
4174599Bagging machine for packaging powdered materials
An improved bagging machine for the packaging of powdered materials is provided which avoids soiling the lips of the bags with material which would interfere with the sealing of the bags. The bagging machine comprises a station for gripping and opening th...
11/20/1979
4169345Device for opening out the filling apertures of bags
In a device for filling bags made from foil or similar material, the edges of each bag which form an opening are fed in so that each edge is held between a semi-rigid plate and a conveyor belt which is held against the plate to frictionally grip the respe...
10/02/1979
4156336Machine for manufacturing, filling and conveying envelopes
A machine for manufacturing, filling and conveying envelopes obtained from a heat sealable sheet material, comprising a first closed loop conveyor, a second closed loop conveyor the first and the second conveyors having drive means imparting a continuous ...
05/29/1979
4137689Bag filling and weighing machine
A bag filling and weighing machine including an endless conveyor with bag holding means carried thereby and releasably suspending pliant bags in open condition. The machine includes an intermittently actuated endless conveyor for stopping the bag holding ...
02/06/1979
4115978Apparatus for automatically filling and closing sacks
Conveying means which are intermittently rotatable in equal steps take flattened sacks successively from supply means through one step to filling means which are effective to open each sack and fill it, whereupon the conveying means move a further step to...
09/26/1978
4108300Bag packing apparatus
In a bag packing apparatus, a plurality of bags are successively conveyed at a predetermined interval in the direction of the thickness of the bags, rather than in the direction of the width of the bags, by means of a pair of chain conveyors disposed alon...
08/22/1978
4104847Method and apparatus for loading articles into containers
Disclosed is a method and apparatus for loading articles, particularly meat articles, into containers. The apparatus comprises a carriage moveably mounted on a platform. The carriage supports conveying means for moving articles relative to the carriage. T...
08/08/1978
4074507Bag filling machine for powdery material
A machine is disclosed to bag powdery material wherein primary and secondary preconditioning chambers are used, having a volume sufficient to give enough time for the powdery material to become de-aerated. This de-aerated powdery material is then supplied...
02/21/1978
4055933Apparatus for packaging photographic slides in envelopes
A flexible transparent envelope for packaging photographic slides which has opposed inwardly opening pockets with means for attaching the envelope package along with other similar envelopes along one marginal edge thereof into a book or folder for easy in...
11/01/1977
4054016Device for filling bags
In a machine for filling bags, which bags are positioned one next to the other in a double web in which the bottom and sides are defined by joints between the two layers of the web, a diverging guiding means for guiding only one upper web edge and a means...
10/18/1977
4054018Bag filling apparatus
The present device comprises a bag filling apparatus which will clamp and hold a bag onto an output spout which forces in material such as pulverized or loose fill cellulose fiber used in insulation, and provides means for holding the bag in place, and pr...
10/18/1977
4045940Baler system and method
In the overall system, vertically disposed, primary bags are filled with articles to a predetermined weight and conveyor means conduct the filled primary bags to a discharge point where a predetermined number of said filled bags are discharged at a discha...
09/06/1977
4040235Apparatus for handling liquid filled flexible pouches
An improved apparatus for packaging a plurality of flexible liquid filled pouches in an outer flexible container. Known similar machines have been limited in their speed of operation, such that production from such machines has not been as high as desired. To ...
08/09/1977
4035988Vacuum pocket-opening turret
A rotating turrent equipped with a plurality of spring-biased, reciprocating vacuum nozzles is employed in conjunction with a packaging machine which forms packages from strip stock. The reciprocating nozzles are rotated about a stationary cam which seque...
07/19/1977
4011708Bag handling apparatus
Apparatus is described for facilitating the filling and sealing of bags for shipping or mailing. The bag supply preferably is in web or strip form, i.e. the bags are joined along successive closed sides of the bags to form a continuous web with the bag bo...
03/15/1977
4007577Apparatus for packaging fluid materials in packets
A high productivity packaging apparatus and method utilize a drum and a plurality of circularly arranged trap chambers, or traps, which communicate and rotate with the drum as an integral, compact unit. During rotation of the drum, the level of material t...
02/15/1977
4003188Valve bag filler, handling and sealing system
In combination with sealable valve bags and a valve bag packer, a valve bag sealer comprising a bag transfer assembly for removing a filled valve bag from the filling tube of the packer and positioning the filled bag adjacent a sealing head assembly, said...
01/18/1977
4003187Microfilm jacket microfilm feeding device and process
In a preferred embodiment, there is provided a microfilm jacket support supportable of a flat microfilm jacket in a horizontal position in an anchored state with a leading edge of the jacket extending beyond the support when mounted thereon, and with a mi...
01/18/1977
3996720Yarn cutting and packaging machine
Yarn strands derived from a creel are compressed together in parallel orientation and moved forward by reciprocating clamping means. A knife periodically severs a bundle comprising preselected short yarn lengths, which is compressed together and dropped i...
12/14/1976
3995408Process and apparatus for filling foldable or rigid packages
A process and associated apparatus for filling packages with free-flowing solids through spouts, in which some of the material is initially fed to the package with the latter in its gravity position, the position of the package is changed once or a number...
12/07/1976
3981121Machine for filling a sack with piece goods and closing mouth opening of the sack
A machine for filling a sack and closing the mouth opening of the sack. The machine comprises a sorting apparatus for stacking goods in a desired shape and a closing apparatus for folding and seaming of the mouth end of the sack. The sorting apparatus and...
09/21/1976
3975888Method and apparatus for forming, filling and sealing packages
Continuous motion apparatus for forming, filling and sealing pouches in which a web of material is folded longitudinally upon itself, transversely sealed at spaced locations, cut into individual pouches and carried by vacuum carriers through opening, fill...
08/24/1976
3968626Apparatus for bagging material
An apparatus for bagging a comminuted material such as broken or shredded tree bark, shredded insulating materials, plastic pellets, granular fertilizer material, grain or the like has a hopper provided with a discharge chute and bag holder adapted to sen...
07/13/1976
3965653Packaging apparatus
A packaging system wherein a web of interconnected heat-sealable bags are successively fed to a loading station where the bags are opened by an improved air flow system and loaded. An improved sealing and detaching assembly grips a loaded bag and isolates...
06/29/1976
3956866Packaging method and apparatus
A packaging system for packaging articles in bag-like containers. An adjustable support disposed below a loading station receives the lower end of a container positioned in the loading station and articles loaded into the container. The support includes a...
05/18/1976
3952479Machine for sliding valved sacks onto the filling nipple of a filling machine
Sacks having a filling valve at the top are successively taken from a storage station and pushed onto the outlet nipple of a filling machine by an apparatus comprising storage means for the sacks and means for separating the sacks and feeding them in a ve...
04/27/1976
3949536Guiding device for an automatic bag-filling machine
A guiding device for an automatic bag-filling machine. After the bag has been filled, a finger is disposed in prolongation of front guiding rails. Tube sections are disposed in prolongation of rear guiding rails, with a result that the mouth of the bag is...
04/13/1976
3948019Apparatus for the fully automatic production of filled, gusseted bags of plastic
Automatic Production, filling, and closing of bags, especially plastic guted bags. The bag is produced at a first station of the apparatus for carrying out the invention, from a flat tube. The bag is then successively moved to a second station where it i...
04/06/1976
3948015Packaging system
A packaging system including novel and improved packaging apparatus, packaging webs, and packaging methods having particular utility in the packaging of powder, granular and other fluent materials. The improved apparatus includes a movable loading chute w...
04/06/1976
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