| Patent Number |
Title Of Patent |
Date Issued |
| 4662864 |
Apparatus for stacking and padding plastic bags |
May 5, 1987 |
| The delivery suction arms of a transfer mechanism take the individual plastic bag segments to be stacked from a welding and cutting station, swing them to a pin conveyor belt and spindle them on the stack pins of the pin conveyor belt. Three suction arms are positioned next to each o |
| 4595389 |
Stack of detachably-connected bags with punch-out handle-grip openings and process for making sa |
June 17, 1986 |
| A stack of detachably-connected, individually carryable bags of a plastic material, preferably plastic foil. Each bag has a front wall, a rear wall and an upper bag opening. The bag walls of each bag are provided with centrally positioned punch-out pieces positioned opposite each other |
| 4549877 |
Apparatus for making bags of thin synthetic-resin film |
October 29, 1985 |
| The stacker provided in the stacking station immediately downstream of the cutting station of the bag making apparatus includes a transversely reciprocal needle bar provided with a plurality of needles including at least one heated blocking needle and a transversely reciprocal stripper |
| 4398903 |
Method of and apparatus for making handle bags |
August 16, 1983 |
| A handle bag of a predetermined width is made from a synthetic-resin tube. This tube is fed at a predetermined feed speed through a cutting station where it is spanned over a cutting drum formed with an endless circumferentially extending and undulating cutting groove. A blade engages |
| 4395252 |
Apparatus for making bags of thin synthetic-resin film |
July 26, 1983 |
| Bags are made from an elongated synthetic-resin tube by an apparatus having an endless conveyor having a transport path extending from an upstream cutting/welding station through a stacking station and a flattening station to a downstream punching station. This conveyor has a plurality o |
| 4378268 |
Apparatus for stacking and blocking bags |
March 29, 1983 |
| An apparatus for stacking flattened-out bags has a stacking drum rotatable in one rotational sense about a stacking drum axis at a stacking station which subdivides a conveyor into an upstream stretch that feeds the flattened-out bags one at a time to the drum and a downstream stretch |
| 4368051 |
Method of and apparatus for making handle bags bearing indicia |
January 11, 1983 |
| Handle bags are made from an elongated synthetic-resin tube having two longitudinal rows of indicia spaced apart in each row by a bag width and with the indicia of one row staggered equidistant between the indicia of the other row. The tube is passed step-wise over a cutting drum formed |
| 4342564 |
Apparatus for the stacking and connection of synthetic-resin foil bags |
August 3, 1982 |
| A flattened tube of synthetic resin is heat-sealed along a leading edge and a multiplicity of perforations are punched along an arcuate line spaced from and convex towards the sealed tube end. The tube is subsequently conveyed to a stacking station where a fusing area defined by the |
| 4333298 |
Method of and apparatus for boxing shopping bags |
June 8, 1982 |
| A bag-making apparatus delivers to a stacking station a succession of like flat and flexible folded shopping bags. A packaging apparatus stacks these bags at the stacking station up into a stack with the objects generally planar in the stack. The stack is then transferred to a loading ca |
| 4270908 |
Apparatus for the stacking and connection of synthetic-resin foil or sheet bags |
June 2, 1981 |
| An apparatus for stacking and joining, in a stack, bags of synthetic-resin foil or sheet material comprises a press for connecting the bags together at least along one edge, a conveyor for carrying the stack of connected bags out of the press, a device for stacking the bags and for trans |
| 4128049 |
Apparatus for manufacture of pad stacked bags or the like |
December 5, 1978 |
| Sections successively severed from a double layer web of synthetic thermoplastic film, e.g., flattened tube stock, as produced are each stacked and welded to a precedingly stacked section near one edge, or in a tear off part or hanger portion to which a bag portion of the section is |
| 4046257 |
Pad-stacked bags or similar packaging, and apparatus and method for fabricating the same from pl |
September 6, 1977 |
| Thermoplastic film bags or like packaging sections with or without hanger holes are stacked and welded into pads from which individual bags are easily hand-torn for use. Bag sections, each with a hanger portion and having an arched cut in one wall, are produced three at a time from a |
| 4011978 |
Plastic bag machine |
March 15, 1977 |
| High production rates and decreased wear and tear and stress on parts are obtained in a bag fabrication machine with the web fed intermittently by respective bag lengths, for operations such as perforating, transverse severing or welding with the web halted.A sector plate is oscillated b |
| 3966524 |
Method and apparatus for manufacture of pad-stacked bags |
June 29, 1976 |
| Sections successively severed from a double layer web of synthetic thermoplastic film, e.g., flattened tube stock, as produced are each stacked and welded to a precedingly stacked section near one edge of a tear off pat or hanger portion to which a bag portion of the section is attac |
