Abstract: To fix a valve piece encompassing a connecting shell and a valve to a can jacket, an embodiment of a method includes a welding step in which the connecting shell of the valve piece is fastened to the can jacket as a top closing element along with the valve by laser welding. According to an embodiment, a shoulder-shaped constricted cross section is embodied on the can jacket towards the top face thereof while the border area of the closing element which rests against the shoulder is tightly pressed theragainst and is sealingly joined to a laser seam, the top face of the can jacket lying inside the can. The method dispenses with the need to configure or fix a valve seat while eliminating the technically complex crimping step, thus also dispensing with the need for an installation used for crimping connecting shells in the filling station. The method makes it possible to produce also aerosol cans whose diameter is smaller than the diameter of a standard valve seat.

Abstract: A method and device includes Fe producing cans from a directly imprinted metal band. The imprinted metal band can also be subdivided into partial webs prior to further processing by at least one longitudinal cut. An inner coating closed in a circumferential direction can be applied after forming laser seam at the metal band that has been formed into a tubular shape, i.e. prior to severing individual can shells.

Abstract: When severing pipe sections from a pipe that is continuously produced, a closed separating line is formed around the section axis along the pipe circumference, the separating line being disposed by a section length from the free pipe end. In at least one embodiment, in order to sever a pipe section, a laser beam generated by a laser scanning device is deflected along the entire circumference of the pipe being produced to the separating line, always transversely to the section axis, such that a substantially focused contact region of the laser beam on the pipe being produced is guided completely along the closed separating line and, in the process, the pipe section is severed from the pipe being produced.

Abstract: In at least one embodiment, for producing segments of tubular jackets, a strip-shaped sheet material is continuously reshaped transverse to the strip axis into a closed form and following the welding of a longitudinal seam, jacket sections are cut off the jacket strip. In at least one embodiment, a support edge is provided on the inside of the continuously formed jacket strip for the cutting operation, essentially in the form of a closed circle and extending in a normal plane to the longitudinal axis of the jacket strip, which fits directly against the inside of the jacket strip and cooperates with at least one cutting tool. The cutting tool is pivoted into the cutting position during the cutting operation along the support edge, so that a cutting region rotates once around the longitudinal axis. A section of the jacket strip is cut off, wherein during the cutting operation, the support edge and the at least one cutting tool are advanced along with the jacket strip.

Abstract: On a can body, including a can casing, which is closed around the can axis and includes a metal layer, and a closure part, which includes a metal layer, a laser connection is produced between the metal layers of the can casing and the closure part in an overlapping region of the closure part and the can casing. In at least one embodiment, the laser connection includes a plurality of perforations along the connecting line, or a plurality of narrowly delimited regions, in which the two metal layers are melted together. A plastic material is arranged on the laser connection. The laser connection ensures stability, and the plastic material ensures leak tightness, of the connection between the can casing and closure part.

Abstract: In at least one embodiment, an inward edge flange with an inserted sealing ring is arranged in the form of a valve seat at the free end of a constricted can neck on a can body. The inward edge flange holds the sealing ring without completely surrounding it, and the sealing ring is therefore accessible from the interior of the can lateral surface. After the crimping of a valve part, an inner stop is formed between the sealing ring and the connecting shell flange. Since the sealing ring is elastic, the connecting shell flange bears against the sealing ring without gaps along the entire circumference. The sealing ring also bears tightly against an inner contact surface of the inward edge flange of the can body.

Abstract: The invention relates to a method for producing a can body (2) which is characterized in that a film piece (3c) is cut from a film web (3b), said film piece (3c) is wound up on a winding spindle (7) from its front edge to its rear edge and is maintained on the winding spindle (7) so that it somewhat overlaps. The film piece (3c) is transferred from the winding spindle (7) to a concave inner surface (11a) and the film areas of the front edge and the rear edge resting against each other are sealed with each other on the concave inner surface (11a) in the area of overlapping (14). According to the invention, a closed film piece (3d) can be transferred without complication onto a can body (2), thereby conferring on the can body (2) the function of the stable structure and on the film piece (3d) the function of the décor or the inner barrier in such a manner that both functions can be optimized in a substantially independent manner.

Abstract: To produce can bodies, a continuous can jacket is disclosed, that is sealed by way of a first joint is produced from a flat metal material. At least one sealing element is mounted on the continuous can jacket by way of an additional joint. At least one of the additional joints is configured as a laser welding seam, which forms an annular continuous sealing seam between the continuous can jacket and the sealing element(s). Before the sealing seam is welded, complementary seam contact surfaces of the can jacket and the sealing element are configured as annular continuous edge regions that flare out of narrow towards the can axis. To weld the sealing seam, the can jacket and the sealing element(s) are pushed together until the edge regions make contact, one of the end faces of the two edge regions lying on the interior of the can body and the other lying on the exterior of the body.

Abstract: The aim of the invention is to produce can bodies (24?) comprising a can shell (24) and a closing element (31b, 32, 31a) that is fixed to one face of the can shell (24). Said aim is achieved by producing a tube (11) from a metal strip (1), optionally from directly adjacent sections (112), by means of a shaping step, at least one optional cutting step, and a continuous welding step, sections of said tube (11) being used as closed convex surfaces for cans. The sections are shaped by a shell-shaping device in such a way that can shells (24) are provided into which a closing element (31b, 32, 31a), especially a can bottom (31b), can be inserted. The longitudinal seam (11a, 124) can be produced inexpensively and at great precision essentially as a continuous seam in the welding step by means of simple installations.

Abstract: In at least one embodiment, for producing segments of tubular jackets, a strip-shaped sheet material is continuously reshaped transverse to the strip axis into a closed form and following the welding of a longitudinal seam, jacket sections are cut off the jacket strip. In at least one embodiment, a support edge is provided on the inside of the continuously formed jacket strip for the cutting operation, essentially in the form of a closed circle and extending in a normal plane to the longitudinal axis of the jacket strip, which fits directly against the inside of the jacket strip and cooperates with at least one cutting tool. The cutting tool is pivoted into the cutting position during the cutting operation along the support edge, so that a cutting region rotates once around the longitudinal axis. A section of the jacket strip is cut off, wherein during the cutting operation, the support edge and the at least one cutting tool are advanced along with the jacket strip.

Abstract: The aim of the invention is to produce can bodies (24?) comprising a can shell (24) and a closing element (31b, 32, 31a) that is fixed to one face of the can shell (24). Said aim is achieved by producing a tube (11) from a metal strip (1), optionally from directly adjacent sections (112), by means of a shaping step, at least one optional cutting step, and a continuous welding step, sections of said tube (11) being used as closed convex surfaces for cans. The sections are shaped by a shell-shaping device in such a way that can shells (24) are provided into which a closing element (31b, 32, 31a), especially a can bottom (31b), can be inserted. The longitudinal seam (11a, 124) can be produced inexpensively and at great precision essentially as a continuous seam in the welding step by means of simple installations.

Abstract: The invention relates to a method for producing a can body (2) which is characterized in that a film piece (3c) is cut from a film web (3b), said film piece (3c) is wound up on a winding spindle (7) from its front edge to its rear edge and is maintained on the winding spindle (7) so that it somewhat overlaps. The film piece (3c) is transferred from the winding spindle (7) to a concave inner surface (11a) and the film areas of the front edge and the rear edge resting against each other are sealed with each other on the concave inner surface (11a) in the area of overlapping (14). According to the invention, a closed film piece (3d) can be transferred without complication onto a can body (2), thereby conferring on the can body (2) the function of the stable structure and on the film piece (3d) the function of the decor or the inner barrier in such a manner that both functions can be optimized in a substantially independent manner.

Abstract: To fix a valve piece encompassing a connecting shell and a valve to a can jacket, an embodiment of a method includes a welding step in which the connecting shell of the valve piece is fastened to the can jacket as a top closing element along with the valve by laser welding. According to an embodiment, a shoulder-shaped constricted cross section is embodied on the can jacket towards the top face thereof while the border area of the closing element which rests against the shoulder is tightly pressed thereagainst and is sealingly joined to a laser seam, the top face of the can jacket lying inside the can. The method dispenses with the need to configure or fix a valve seat while eliminating the technically complex crimping step, thus also dispensing with the need for an installation used for crimping connecting shells in the filling station. The method makes it possible to produce also aerosol cans whose diameter is smaller than the diameter of a standard valve seat.

Abstract: To produce can bodies, a continuous can jacket is disclosed, that is sealed by way of a first joint is produced from a flat metal material. At least one sealing element is mounted on the continuous can jacket by way of an additional joint. At least one of the additional joints is configured as a laser welding seam, which forms an annular continuous sealing seam between the continuous can jacket and the sealing element(s). Before the sealing seam is welded, complementary seam contact surfaces of the can jacket and the sealing element are configured as annular continuous edge regions that flare out of narrow towards the can axis. To weld the sealing seam, the can jacket and the sealing element(s) are pushed together until the edge regions make contact, one of the end faces of the two edge regions lying on the interior of the can body and the other lying on the exterior of the body.

Abstract: A can body with a jacket-like closed wall and a base constructed on one end of the can wall includes an external base covering in the form of a sheet material. The base covering is fixed into position on an annular connection region of the can body. The base covering can form a basically flat imprintable region in a main region that is surrounded by the connection region. If a bar code can be applied in this imprintable region, then a restriction of the configuration possibility of the can wall disappears. The base covering can form a stand region whereby a standing can body is only in contact with the support surface if necessary via the base covering, and consequently the occurrence of corrosion problems is prevented. A retaining device that leaves the base of a held can body free and a position fixing apparatus are used for fixing the base covering into position.

Abstract: A can body with a jacket-like closed wall and a base constructed on one end of the can wall includes an external base covering in the form of a sheet material. The base covering is fixed into position on an annular connection region of the can body. The base covering can form a basically flat imprintable region in a main region that is surrounded by the connection region. If a bar code can be applied in this imprintable region, then a restriction of the configuration possibility of the can wall disappears. The base covering can form a stand region whereby a standing can body is only in contact with the support surface if necessary via the base covering, and consequently the occurrence of corrosion problems is prevented. A retaining device that leaves the base of a held can body free and a position fixing apparatus are used for fixing the base covering into position.

Abstract: In order to facilitate production of cans (3,103,103'), in particular of aerosol cans, magnetic conveyors (6,8) and magnetizable pallets (7,107,107') are provided, instead of chain conveyors including mandrels, in plants for producing containers. The cans (3,103,103') are fixed to the magnetizable pallets (7,107,107') and are passed to or through processing stations, for example, by magnetic belt conveyors (6,8). The pallets (7,107,107') are connected to a connecting portion (132) projecting from the can bottom (130) which may be inserted into a connection opening (117) of the pallet (7,107,107') by a riveting operation. By appropriately arranging the conveying surface (8) of the magnetic conveyor (6,8), the cans (3,103,103') may be oriented at will on the pallets (7,107,107') which are magnetically supported. The can opening is always freely accessible during conveying.

Abstract: A piezoelectric element for incorporation in pressure, force or acceleration transducers, in which at least two piezoelectric flat plates loaded in shear mode are arranged on both sides of a central support and are retained under compressive pre-tension by pressure distribution members bearing externally on the piezoelectric plates; a compression form member provided with a location hole for the support, the piezoelectric plates and the pressure distribution members is fitted over the pressure distribution members by direct or indirect shrinking the pressure distribution members are preferably made of two exact fitting cylindrical segments transmitting the tension forces evenly over the piezoelectric plates.