Quotables
"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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.
| Number | Title | Issue Date |
| 5913237 | Apparatus for providing a fluid connection between a fixed fluid coupling and a moving container Above containers transported on a conveyor, the apparatus is provided with a continuous revolving belt, which has perforations. These are in communication via passageways with fixed fluid couplings and the drive to the belt is set so that they move in ste... | 06/15/1999 |
| 5841094 | Method and apparatus for resistance welding coated sheet metal For welding sheet-metal blanks coated with electrically conductive material, the thickness of the coating is measured with a measurement device. The welding current source controls the welding current I as a function of the film thickness reading obtained... | 11/24/1998 |
| 5841090 | Method and apparatus for the seam welding of containers For butt welding or lap welding container bodies, each body is guided between an outer current-carrying electrode roller and an inner roller. According to the invention the inner roller is movably mounted and exerts an opposing pressure to the rigidly mou... | 11/24/1998 |
| 5753508 | Method of testing a function of a detector at an inspection station and apparatus therefor In a method of testing a function of at least one detector at an inspection station (S) for containers, particularly in an inspection unit (R) for multi-trip bottles, a test gas is fed from a source (10) to the inspection station, or as the case may be to... | 05/19/1998 |
| 5749511 | Method and apparatus for connecting two workpieces together In a method for connecting two workpieces together by a welded seam, the workpieces are held in a welding station between opposed tracks consisting of a plurality of members. The tracks run around guide rollers in a conveying direction. A clearance (a) be... | 05/12/1998 |
| 5746571 | Process for the initial operation or changeover of a sheet metal processing machine and a modular magazine for carrying out the process For the initial operation or changeover of a can body welding machine, a modular stack magazine to guide and hold a stack of blanks has adjustable stack supports with holding surfaces projecting under the lowermost blank. These stack supports are adjustab... | 05/05/1998 |
| 5738204 | Conveyor means and use thereof A two-point attachment of the pusher on the toothed belt of a conveyor means in conjunction with a rocking lever causes the pusher to perform a rocking motion in the direction opposite to the conveying direction upon deflection of the toothed belt around ... | 04/14/1998 |
| 5730298 | Process for removing returnable bottles from circulation To determine whether stress cracks are present in the bottom area of a plastic bottle which make it unfit for further use, the bottle bottom is scanned in the potential crack region by the measuring beam of a laser distance-measuring instrument. From its ... | 03/24/1998 |
| 5718457 | Method of marking objects with code symbols Optical machine readable code symbols for marking objects, preferably recyclable plastic bottles, are so constructed that they possess an axis of symmetry. The code symbols can additionally be rotated by predetermined angles from a basic configuration in ... | 02/17/1998 |
| 5717486 | Process for removing returnable containers from circulation utilizing image processing of brightness values for inspection windows To detect damage in the bottom region of a plastic bottle a picture of the bottom region is taken by means of a camera. The resulting image is then tested for brightness pixel by pixel in a predetermined inspection area. Large deviations of the test curve... | 02/10/1998 |
| 5711412 | Device for serial transport of sheet metal blanks towards a processing station The device according to the invention for ejecting sheet metal blanks from a processing station or for any transport of such sheet metal blanks has ejector dogs mounted on a transport conveyor, which bump the trailing edge (trailing in the ejection direct... | 01/27/1998 |
| 5708221 | Apparatus for the inspection of containers On a distributor head for distributing gas samples removed from bottles requiring inspection to the connections for two mass spectrometers, the feed passageways form alternative paths. These different paths are contained in a replaceable part or a switcha... | 01/13/1998 |
| 5703300 | Container inspection apparatus A disk-like sampling head is arranged above a linear section of a conveyor path with a continuous flow of bottles. The sampling head is rotatable about an axis oriented transverse to the conveyor path, and preferably the axis is a horizontally-oriented ax... | 12/30/1997 |
| 5699162 | Process and apparatus for testing a multi-trip bottle for contamination utilizing residual liquid in bottle bottom and sprectral measurement To test a bottle for contamination, the bottom of the bottle is laterally illuminated with a measuring light beam from a source. This measuring light beam is deflected, as if in a waveguide, in the ring of residual liquids at the bottom of the bottle. Lig... | 12/16/1997 |
| 5679272 | Method of welding containers and apparatus therefor When welding a series of container bodies, the welding speed is at first increased to prevent the first body from colliding with the second body at the intake to the welding machine. The welding speed is then reduced to a rated welding speed Vs... | 10/21/1997 |
| 5676858 | Roller seam welding process and electrode roller head mounting on a resistance seam welding machine The lower welding wheel (2) of a resistance seam welding machine is vertically adjusted by providing retaining pieces (10) for the stator (8) of the electrode roller head, which are able to position the electrode wheel head in different vertical settings ... | 10/14/1997 |
| 5661294 | Process and apparatus for the optical inspection of a transparent region of a container, in particular the mouth region To photograph the mouth region of a bottle, a light-emitting surface is arranged below the mouth region to be photographed. The light-emitting surface is illuminated by means of an illuminating device and the image of the illuminated mouth region is direc... | 08/26/1997 |
| 5655867 | Process for feeding can bodies to a can welding station and a device for carrying out the process Two destacking tables and two can body forming stations are provided, the latter forming cylindrical can bodies from the metal sheets stacked on the destacking tables. These can bodies are subsequently conveyed along the feed axis to the welding station, ... | 08/12/1997 |
| 5655868 | Process for feeding can bodies to a can welding station and a device for carrying out the process Two destacking tables and two can body forming stations are provided, the latter forming cylindrical can bodies from the metal sheets stacked on the destacking table. These can bodies are subsequently conveyed along the feed axis to the welding station, w... | 08/12/1997 |
| 5639012 | Process and device for the posttreatment of welded compound panels In a compound panel welding line, the compound panels discharged from a welding machine are cooled by means of a cooling unit. In the cooling unit, the welded seam is treated with a cooling fluid, in particular a rust-preventative oil. This allows the pan... | 06/17/1997 |
| 5622637 | Process for seam welding an overlapping sheet-metal seam In a seam welding process for overlapping sheets, in particular for welding can bodies, the welding force is momentarily reduced upon each insertion of a can body between the welding rollers. This keeps the welding pressure constant even at the start of a... | 04/22/1997 |
| 5613713 | Arrangement for cleaning a container testing apparatus On a bottle testing apparatus which has a plurality of sampling tubes which can be lowered into the bottles, the said tubes are individually detachable for cleaning. Hence they can be quickly and easily replaced with clean tubes. In addition, an adaptor i... | 03/25/1997 |
| 5612525 | Apparatus for marking refillable containers, more especially plastic bottles An apparatus is disclosed for marking refillable containers, more especially plastic bottles, with code symbols for later ascertaining whether a container has to be refilled or separated. The part of the container in which is situated a manufacturer's cod... | 03/18/1997 |
| 5592844 | Process and apparatus for rounding sheet-metal blanks Sheet-metal blanks are fed in succession one immediately after another to a rounding apparatus in which they are plastically deformed into a curve in a rounding mechanism and are given a desired constant bending radius. The portion of the blank initially ... | 01/14/1997 |
| 5590753 | Retaining element on a carousel conveyor with several outlets for selective retention of conveyed containers The retaining element is extended from a carousel disk in the plane of the disk and holds a bottle to be retained by the carousel essentially only at one point (T). The retaining element can be provided with an easily exchangeable finger part thus permitt... | 01/07/1997 |
| 5571978 | Apparatus for testing bottles for the presence of contamination To detect contamination in used PET returnable bottles, they are fed to a first testing station which takes a gas sample from each bottle. This first testing station tests for the presence of heavy contamination. Heavily contaminated bottles are identifie... | 11/05/1996 |
| 5567335 | Process and apparatus for welding sheet metal edges Sheet metal edges to be welded are preheated prior to welding. At a given welding speed, this results in a smaller temperature gradient in the material to be welded. Consequently the welding speed can be increased, or material which would otherwise provid... | 10/22/1996 |
| 5550345 | Process and device for welding sheets by laser to form compound sheets The sheets which are to be butt welded are positioned with their edges in contact with one another. To reduce the gap to a width acceptable for laser welding, at least one sheet is plastically deformed along the line of the joint so that material flows to... | 08/27/1996 |
| 5547064 | Apparatus for serially transferring objects between two conveyor means The invention relates to an apparatus for serially transferring objects between a supply conveyor and a receiving conveyor, in which the speed of the supply conveyor is not smaller than the speed of the receiving conveyor. The apparatus includes a feed ca... | 08/20/1996 |
| 5528026 | Process and arrangement for the inspection of translucent articles According to the process of the invention, optical inspection of a translucent article, in particular optical inspection of a concave bottom of a container, in which the article is positioned between a radiation source and an image recording apparatus and... | 06/18/1996 |
| 5523565 | Use of a mass spectrometer with secondary ionization for the inspection of containers Inspection of PET bottles for contamination is performed with a mass spectrometer in which the gas sample is ionized by an ionized primary gas. This causes greatly reduced fragmentation, or unambiguous fragmentation, of the gas sample. As a consequence, t... | 06/04/1996 |
| 5520060 | Process and apparatus for testing bottles for the presence of contamination To detect contamination in used PET returnable bottles, they are fed to a first testing station which takes a gas sample from each bottle. This first testing station tests for the presence of heavy contamination. Heavily contaminated bottles are identifie... | 05/28/1996 |
| 5506386 | Simultaneous temperature measurements on laser welded seams with at least two pyrometers in relation to monitoring process parameters and weld quality In laser butt welding of metal sheets, in particular sheets of unequal thicknesses, the temperature is measured at two points behind the liquid-solid interface. From combination of the two readings obtained a series of process data can be derived whereby ... | 04/09/1996 |
| 5489757 | Process for resistance welding arrangement for carrying out the process A process and apparatus for resistance-welding produce a welding current which pulsates in periodic half-waves, in particular an alternating current. The, welding current is generated from a primary alternating voltage which is chopped n times (n>1) in ea... | 02/06/1996 |
| 5473152 | Code symbol for marking plastic bottles A process and an apparatus for marking refillable containers (112), more especially plastic bottles, with code symbols with the aid of which it can be Later ascertained whether a container has to be refilled or separated, are described. The part of the co... | 12/05/1995 |
| 5395103 | Process for removing individual metal sheets from a stack and device for carrying out the process Two sheets (10,14) are removed simultaneously from the sheet stack (1). While one sheet (10) is already in the transfer position, from which it is introduced into the conveyor line by two feed rolls (7,8), a first suction element (20) seizes the next shee... | 03/07/1995 |
| 5391853 | Process for the roller seam welding of tanks and roller seam resistance-welding machine for carrying out the process A roller seam welding machine is provided with a contour-controlled table for the tank to be welded. The table is driven by a pinion (4) and a pantograph (16), in a known manner. To enable flanges (6) with a three-dimensional profile to be welded, the wel... | 02/21/1995 |
| 5366137 | Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station The can body to be welded in a welding station is shaped by gradually bending flat metal sheets zone by zone along a linear conveying route until the can body has been shaped. This linear conveying route at the same time leads to the welding station. In t... | 11/22/1994 |
| 5365771 | Process and apparatus for testing bottles for contamination For testing bottles in particular by mass spectrometric analysis, gas samples are removed simultaneously from several bottles by means of probes. The gas samples are fed in succession and in a predetermined sequence to a mass spectrometer by a distributor... | 11/22/1994 |
| 5341696 | Process and device for producing a peel or tear test specimen on a welded compound sheet A compound sheet with a welded seam is arranged on a table (2) of the device (1). By lowering a cutting and bending punch (4), a cutout is cut from the compound sheet and bent downwards. A pulling device is arranged inside the device (1) underneath the ta... | 08/30/1994 |
