A system and method to shred, transport and reconstruct plastic drums. The drums are loaded into a shredding apparatus that shreds the drums into shreddings. The shreddings are then projected into a compartment in a storage means in a trailer. The loaded storage means is transported to a remote location to be further ground and pelletized for construction into new drums.

Interlocking end lugs are provided in an improved closure split ring assembly for steel drums. The interlocking end lugs facilitate the tangential alignment of the ring to seal the lid on the drum and lock it in place.

A musical drum consisting of a generally cylindrical drum shell having openings at its upper and lower ends with a vibratable drum head covering at least the upper opening and a sound projector positioned below the lower opening, which sound projector is substantially a semi-hemisphere with an upper opening therein disposed adjacent the lower opening in the drum shell and with a horizontal opening therein facing in a direction substantially perpendicular to the openings in the drum shell. The ha...

A stand is provided for supporting an assembly of musical drums which are interconnected and adapted to be carried by a marching bandsman. The stand includes a basin defining structure for receiving a carrier to which the drums are commonly secured. The carrier has a plurality of outwardly extending connectors for securing each of the drums, and the basin defining structure defines the basin by providing a base plate and associated structure having a plurality of basin slots corresponding to the...

Filter drums of desired diameters and axial lengths are built up from cylindrical modules supported in end-to-end relation on a through axle. Each module has a cylindrical frame composed of end rings connected by and supporting a ring of circumferentially spaced longitudinal bars. A grid formed in the flat by welding spaced parallel transverse ribs to underlying spaced parallel longitudinal rods is rolled into a cylindrical shape and wrapped around bars of the module with the rods of the grid fo...

A method of manufacturing brake drums or the like and apparatus therefor that minimizes scrap rates by improving as-manufactured balance. In accordance with the disclosed method, the casting rim of the brake drum is located in a press by centering the drum relative to its outer surface. Locating holes are then accurately formed in the drum center by the press prior to machining of the drum inner surface. The subsequent machining operation on the drum inner surface is accomplished by locating the...

A drum shell for musical instruments formed of clear plastic material such as methyl methacrylate from hollow cylindrical sections joined together wherein a source of illumination is secured to the drum shell by brackets which are, in turn, secured to the drum shell opposite standard lugs for attaching the head of the drum and wherein the source of the illumination is an elongated tubular element or elements which are positioned inside the shell substantially adjacent the place where the section...

Apparatus for sharpening the operative cutting surface of a blade while the blade is mounted on a drum comprising a mounting unit for attachment to the drum and a linkage pivotably supported on the mounting unit and carrying a rotatable sharpening member in the form of a cup wheel. The linkage is composed of a plurality of link members connected for pivotal movement about axes which are parallel to the pivot axis of the linkage to the mounting unit and parallel to the surface of the blade to be ...

Means for vacuum forming a plastic film to form a continuous liner about the interior of a drum, using the drum shell as a mold member.

This invention relates to arrangements for supporting rotary drums such as tube mills and rotary kilns of the type which rotate about a horizontal or slightly inclined axis and are provided with at least one running surface on the circumferential surface thereof and corresponding with one or more supporting means for supporting the drum on a foundation. The supporting means is mounted on the foundation and an endless member is positioned on the supporting means with the running surface of the dr...