U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 53/373.6 - With means to engage cover at spaced points and move apart to flatten seam


Subclass of Class 53 - Package making
Definition: Apparatus including a first means to contact the projecting
No. of patents: 42
Last issue date: 07/17/2007


1    
NumberTitleIssue Date
7244222Apparatus for and method of positioning a slider on mating zipper elements
An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s...
07/17/2007
7163133Apparatus for and method of moving a slider along mating zipper elements
A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating...
01/16/2007
7036293Device for welding of a foil tube
In order to be able to realize complicated jaw movements in a device for welding of a foil tube, comprising two welding jaws, which can be moved opposingly and clamp the foil tube between one another, whereby a linear motor is provided as the jaw drive, it is sugges...
05/02/2006
6918227Method and device for end closing tubular wrappings of products
A method and device for end closing tubular wrappings of products, whereby the arms of a scissor-type parting device, once inserted in a closed position inside an end portion of a tubular wrapping, are allowed to part, and are pushed by springs into a fully open pos...
07/19/2005
6868655Bag handling machine
A bag filling and sealing machine includes a bag holder, a bag opening and filling station, and a sealing station. The bag holder holds wicketed bags in a manner that allows the bags to be easily torn from the holder. A funnel assembly successively opens each bag, t...
03/22/2005
6823654Bag filling and sealing machine and method for handling bags
A bag filling and sealing machine includes a bag holder, a bag opening and filling station, and a sealing station. The bag holder holds wicketed bags in a manner that allows the bags to be easily torn from the holder. A funnel assembly successively opens each bag, t...
11/30/2004
6742321Flange alignment and grasping assembly for bag handling apparatus
A flange alignment and grasping assembly is adapted to straighten the flanges of a bag in a filling and sealing apparatus so that the flanges may be clamped by the assembly. The assembly includes opposed guides that engage the side of the bag in the general location...
06/01/2004
6662532Bag filling apparatus and method
Automated apparatus for filling of a bag with a loose commodity comprises a bag filling station for dispensing commodity into a bag; a wicket for feeding a stacked and interconnected array of empty bags; and a conveyor for removing filled bags from the fi...
12/16/2003
6604344Bagging machine
The bagging machine has a rotary table with openings to receive a series of bags. Each bag is staked onto four pins two of which are stationary and two of which are laterally movable. After filling, the bag is heat sealed using a pair of heat seal bars an...
08/12/2003
6543202Device for welding and/or combined cutting and welding of films
A device for welding or combined cutting and welding comprises a heating element, the heating rail of which is heated and cools down in each work cycle, and an opposed tool which has a rail made of elastic material....
04/08/2003
6065271Bag filling and sealing apparatus
A machine for automatically filling and sealing large bulk thermoplastic bags which includes: a framework with a base and a backplane having an integral sliding carriage; a pneumatically controlled filling spout which holds the bag open for filling; a pne...
05/23/2000
6047521Vertical form, fill and seal machine for making reclosable bags
A vertical form, fill and seal machine, components and method is disclosed which makes reclosable bags having a safety seal exterior to a reclosable seal and also produces durable, substantially air-tight bags at high speed and provides for the production...
04/11/2000
5996319Packaging machine, material and method
A packaging machine and process for loading bags of a novel web of side connected bags are disclosed. The web is fed through a bagger section by a pair of grooved main transport belts and a pair of lip transport belts each disposed in the groove of the as...
12/07/1999
5996320Automated bagging apparatus and method
An automated bagging apparatus for use in the hosiery industry which tightens the bag around the hosiery articles prior to sealing to eliminate any extra bag space. This tightening effect is accomplished by holding the articles in place while extending th...
12/07/1999
5930983Form, fill and seal packaging machine with bag squeezer and method
A vertical form, fill and seal packing machine and method for making recloseable bags having a safety seal exterior to a recloseable seal. The machine produces durable, substantially air-tight bags at high speed and provides for the production of differen...
08/03/1999
5887412Packaging machine, material and method
A packaging machine and process for loading bags of a novel web of side connected bags are disclosed. The web is fed through a bagger section by a pair of grooved main transport belts and a pair of lip transport belts each disposed in the groove of the as...
03/30/1999
5857310Unpleating system for machines for molding, filling, and automatic closing of flexible-film-based wrappings
This invention relates to an unpleating system for machines for molding, filling, and automatic closing of flexible-film-based wrappings, characterized by the fact that it comprises two units capable of sequenced travel toward and away from the transverse...
01/12/1999
5819509Bag shouldering and deaerating apparatus
An apparatus for shouldering and deaerating filled bags provides rapid expulsion of excess gas from flexible top-closure bags containing particulate material. The automated apparatus permits completely controlled handling of the filled bags from the filli...
10/13/1998
5768852Vertical form, fill and seal machine, components and method for making reclosable bags
A vertical form, fill and seal machine, components and method is disclosed which makes reclosable bags having a safety seal exterior to a reclosable seal and also produces durable, substantially air-tight bags at high speed and provides for the production...
06/23/1998
5642599Automatic packaging machine for boxes with paper end liners
An automatic packaging system closes and seals a hybrid box having end flaps with a narrow paper strip sealed to and around an inside perimeter of the box. A projecting edge of the narrow strip extends out of the box approximately as far as the outer edge...
07/01/1997
5605030Carton end closure score line pre-breaking method and mechanism
A carton end closure score line breaker mechanism for pre-breaking the top closure score lines before the filling and closing and sealing steps does not include a center post, or any components which extend into the inside of a carton end closure, elimina...
02/25/1997
5505037Vertical form, fill and seal machine for making recloseable bags
A vertical form, fill and seal machine is disclosed which makes recloseable bags having a safety seal exterior to a recloseable seal and also produces durable, substantially air-tight bags at high speed and provides for the production of different size ba...
04/09/1996
5406776Stretcher-injector device for airtight sealing and gas exchange in modified atmosphere packages
A stretcher-injector device to be applied to wrapping machines is disclosed, which is suitable to be inserted into each of the two lateral film sleeves resulting from the wrapping at the two opposite sides of the package not covered by the film wrapping; ...
04/18/1995
5400565Vertical form, fill and seal packaging machine for making recloseable product filled bags
A vertical form, fill and seal packing machine and method for making recloseable bags having a safety seal exterior to a recloseable seal. The machine produces durable, substantially air-tight bags at high speed and provides for the production of differen...
03/28/1995
5177939Bagging machine with bag holding transfer and stretch means
A bagging machine comprising an article discharge chute for releasing one or more articles in an open bag held thereunder at a bag loading position. A plurality of collapsed plastic bags are supported under and adjacent the discharge chute. The mouth of a...
01/12/1993
5094061Apparatus for packaging products
An apparatus for packaging products in a bag of plastic material comprises means for transporting step by step a continuous tube-like material web with upper and lower layers lying flat one upon the other, a cutting unit for making a cut in the upper laye...
03/10/1992
5086609Method and an apparatus for producing, filling and sealing bags
The invention relates to a method for the manufacture, filling and sealing of bags starting with a flat web of tubular foil preferably provided with side folds of thermoplastic synthetic resin in the case of which the respectively leading end of the tubul...
02/11/1992
5077958Packaging machine and method
A packaging machine and method of packaging utilizing chains of interconnected preopened bags which are fed sequentially and one at a time to a load station. Bag tops are clamped against spreading horns by sensor equipped clamps which cause disablement of...
01/07/1992
4735031Apparatus for packing and processing a meat product
A method and apparatus for packing a meat product, such as ham, in foil, in which a mould is used to accommodate a bag-shaped foil. The apparatus includes a first support member for supporting the bag and the mould. A mechanism is also provided for turnin...
04/05/1988
4704845Method and apparatus for closing bags and a plant for bagging bulk materials
The process serves for closing filled bags (52) making use of an approximately horizontal conveying track (3). The bags are fed on a conveying track with constant conveying speed to a spreading apparatus (16 to 51) and then to a closing station (12, 13). ...
11/10/1987
4631901Apparatus and method for packaging a product in individual packets
The present invention relates to a unique method for packaging a product in individual packets constructed of a sheet of flexible material. In the method of the present invention, a sheet of flexible packaging material is formed into a generally U-shaped ...
12/30/1986
4546592Apparatus for sealing a liquid pack
Apparatus for sealing a liquid package made of paper coated with plastic on at least one surface including a pair of extending fingers that can be inserted in the open end of the package to flatten the top edges thereof into a single strip; a pair of weld...
10/15/1985
4534159Apparatus for forming, filling and sealing bags with fluid contents
Method and apparatus for forming, filling and sealing bags from a continuous supply of bagging material, the apparatus including a pair of sealing jaws transversely movable toward each other to engage the bagging material to form a transverse seal providi...
08/13/1985
4516382Automatic carton packing machine
A folding device for imparting a folding habit to the opened top of a carton comprises a frame which is connected to a shaft for moving the frame upwardly and downwardly. A pair of squeezing plates are secured to the frame. The squeezing plates have oppos...
05/14/1985
4509312Automatic carton packing machine
A device for bending down and sealing triangular lugs that are formed on the top of a cardboard carton includes a conveyor for moving cartons in a running direction with the cartons having outstretched lugs. A plurality of clamp sets are connected to the ...
04/09/1985
4418513Packaging machine with means for closing flexible pouches around a nozzle
Flexible pouches filled with product are advanced to a steaming station where steam from a steam nozzle is directed downwardly toward the pouches to drive air therefrom. A vacuum nozzle is inserted downwardly within the steam nozzle and into each pouch at...
12/06/1983
4353198Pouch forming and filling apparatus
Individual separated pouches are supplied to the inlet station of an endless continuously-moving carrier provided with adjustable pouch-supporting mechanisms at uniform intervals therealong. Each mechanism supports the pouch adjacent the opposite upper co...
10/12/1982
4306400Packaging machine with continuous motion top sealer
Sealing heads for heat sealing the tops of continouously movable upright pouches are spaced angularly around a continuously rotatable turret and seal the pouches after steam has been introduced into the pouches and as the pouches move in an arcuate path e...
12/22/1981
4214417Bag top forming and retaining apparatus
For retaining the bag top of a filled bag in an upright aligned condition as the filled bag is dropped onto a filled bag conveyor after having been clamped to a spout assembly and being conveyed to a bag top closure machine, bag top forming and retaining ...
07/29/1980
4078358Bag-hanging and bag-filling machines adapted for synchronous and independent operation and method of using same
A bag-hanging machine including mechanism for opening a bag on a stack of lay-flat bags supported on a tiltable support table, and transfer arms for withdrawing the opened bag and suspending the latter. A bag-filling machine includes a hopper spout for re...
03/14/1978
1    
 
Sign InRegister
Username  
Password   
forgot password?