Blow-molded drum

Claim 2

A blow-molded drum of thermoplastic material comprising: an extended drum body having a circumferential wall and top and bottom sections, said circumferential wall having at least two integral overhanging brow portions positioned respectively on opposite sides of said circumferential wall of said body, each of said brow portions overhanging a corresponding clear and open volume adjacent said circumferential wall sufficiently large to permit insertion of the forks of a fork lift beneath the overhanging brows, said overhanging brow portions having bottom surfaces adapted to serve as bearing and lifting surfaces for lifting and transporting of said drum by the forks of a fork lift.

Claim 3

The blow-molded drum defined by claim 1 wherein said brow portions are positioned in the circumferential wall of said body adjacent to the top of said drum body and substantially equidistant above the bottom of said body.

Claim 4

The blow-molded drum of claim 1 wherein said circumferential wall is generally cylindrical with slightly tapering top and bottom portions.

Claim 5

The blow-molded drum defined by claim 1 wherein said clear and open volumes are defined by two indentations in opposite sides of said circumferential wall of said body, each of said indentations being extended lengthwise to define longitudinal channels in said circumferential wall through which the forks of a fork lift can be inserted, said overhanging brow portions comprising the respective overhanging top portions of said longitudinal channels.

Claim 6

The blow-molded drum defined by claim 1 wherein each of said overhanging brow portions has at its deepest portion a depth in the range of 3/2 of an inch to 1 1/2 inches.

Claim 7

The blow-molded drum defined by claim 1 wherein said overhanging brow portions have at their deepest portion a depth of at least 1/2 inch.

Claim 8

The blow-molded drum defined by claim 6 wherein the clear and open volume beneath an overhanging brow portion has a height of approximately 1 1/2 inches.

Claim 9

The blow-molded drum defined by claim 1 wherein said bottom surfaces of said overhanging brow portion are planar surfaces substantially normal to the axis of said drum, said circumferential wall including longitudinally extended upright wall sections immediately beneath and joining to said bottom surfaces of said overhanging brow portions.

Claim 10

The blow-molded drum of claim 1 wherein said drum body includes a handling member positioned at the top of said body and adjacent said circumferential wall and adapted to receive the handling hook of a hand truck.

Claim 11

The drum defined by claim 9 wherein said handling attachment comprises a loop of flexible material attached to said drum body.

Claim 12

The drum defined by claim 9 wherein said handling comprises a cup-like receptacle integrally formed in the plastic of the top of said drum body.

Claim 13

The drum defined by claim 1 wherein said bottom section of said drum body includes a bottom enclosing end wall and said top section of said drum body has an open top adapted to receive a mating plastic cover.

Claim 14

A blow-molded drum of thermoplastic material comprising: a substantially cylindrical body having opposite ends; at least two indentations in the circumferential wall of said body at diametrically opposite sides thereof, said indentations having planar bearing surfaces disposed substantially normal to the longitudinal axis of said drum, said indentations being proportioned and adapted to receive the forks of a mechanical fork lift for lifting and transporting said drum on said planar bearing surfaces.

Claim 15

A blow-molded drum of thermoplastic material comprising: a substantially cylindrical body having opposite ends; at least two indentations in the circumferential wall of said body at diametrically opposite sides thereof, said indentations having planar bearing surfaces disposed substantially normal to the longitudinal axis of said drum, said indentations being proportioned and adapted to receive the forks of a mechanical fork lift for lifting and transporting said drum on said planar bearing surfaces.

Claim 16

The drum of claim 13 wherein said opposite ends constitute top and bottom end walls of said body and said indentations extend equidistant from and adjacent to said top end wall.

Claim 17

The drum of claim 13 wherein said body has a longitudinal axis and includes a head portion and a plurality of indentations provided in the circumferential wall of said head portion at diametrically opposite sides tHereof and positioned symmetrically relative to the longitudinal axis of said body.

Claim 18

The drum of claim 13 wherein said opposite ends constitute top and bottom end walls of said body, said indentations being positioned on the circumferential wall of said body equidistant above the bottom end walls of said body.

Claim 19

The drum of claim 13 wherein said opposite ends constitute top and bottom end walls of said body, said body being open at its top and said indentations being positioned on the circumferential wall of said body adjacent to the open top of said body and equidistant above the bottom end wall of said body.

Claim 20

The drum of claim 13, wherein said opposite ends constitute top and bottom end walls of said body, and includes at least one depression formed at one side of the top end wall, and further including a tubular projection affording access to the interior of said body and located in said depression.

Claim 21

The drum of claim 18 wherein said tubular projection is integrally formed with said depression in said planar end wall at the top of said body, said drum further including reinforcing webs integral with said end wall and said tubular projection and bridging said depression.

Claim 22

The drum of claim 19 wherein said tubular projections are provided with an inner circumferential surface and screw threads in said surface, said screw threads being adapted to intermesh with the screw threads of a plug member positioned in said tubular projection to seal the latter from the atmosphere.

Claim 23

The drum of claim 13 further including a handling member for manually and mechanically manipulating said drum, said handling member being positioned at the top of said drum adjacent said circumferential wall of said drum.

Claim 24

The drum of claim 21 wherein said opposite ends constitute planar end wall surfaces at the top and bottom of said body, the planar end wall surface at the top of said body being formed with at least one depression at the side of said surface, and further including a tubular projection affording access to the interior of said body located in said depression, and wherein said handling member is positioned laterally adjacent one of said tubular projections.

Claim 25

The drum of claim 22 wherein said handling member is a loop of flexible material cooperatively engaged with said one of said tubular projections.

Claim 26

The drum of claim 21 wherein the planar end wall surface at the top of said body is formed with at least one depression at one side of said surface and a tubular projection affording access to the interior of said body located in said depression, and wherein said handling member is in the form of a receptacle constituted by a wall section positioned radially outwardly and spaced from said tubular projection and defining a cavity in said surface in the region of the peripheral edge thereof, said cavity extending inwardly of said body.

Claim 27

The drum of claim 13 wherein said opposite ends constitute a top and bottom end of said body, said body being open at its top, said drum including a handling member positioned adjacent the peripheral edge bounding the open top of said body and adapted to receive the handling hook of a hand truck.

Claim 28

The drum of claim 25 wherein said handling member is in the form of a loop of flexible material and said peripheral edge includes a laterally outwardly directed projection defining an opening therethrough for the passage of said loop of flexible material.

Claim 29

A blow-molded drum of thermoplastic material comprising: a substantially cylindrical main body portion having a longitudinal axis; slightly curved head and bottom portions at axially opposite ends of said main body portion and integral therewith, said head and bottom portions terminating into substantially planar end walls; at least two indentations in the circumferential wall of said head portion at diametrically opposite sides thereof, equidistant from and adjacent to the planar end wall of said head portion, Said indentations having planar bearing surfaces axially aligned relative to each other and disposed substantially normal to the longitudinal axis of said drum, said planar surfaces being adapted to receive supporting members for lifting and transporting said drum; depressions in the planar end wall at the top of said body at diametrically opposite sides of said end wall; a tubular projection affording access to the interior of said body located in each of said depressions; and a handling member for manually and mechanically manipulating said drum, said handling member being positioned laterally of said end wall at the top of said body, adjacent said tubular projection.

Claim 30

A blow-molded drum of thermoplastic material comprising: a substantially cylindrical main body portion having a longitudinal axis; slightly curved head and bottom portions at axially opposite ends of said main body portion and integral therewith, said head and bottom portions terminating into substantially planar end walls; at least two indentations in the circumferential wall of said head portion at diametrically opposite sides thereof, equidistant from and adjacent to the planar end wall of said head portion, Said indentations having planar bearing surfaces axially aligned relative to each other and disposed substantially normal to the longitudinal axis of said drum, said planar surfaces being adapted to receive supporting members for lifting and transporting said drum; depressions in the planar end wall at the top of said body at diametrically opposite sides of said end wall; a tubular projection affording access to the interior of said body located in each of said depressions; and a handling member for manually and mechanically manipulating said drum, said handling member being positioned laterally of said end wall at the top of said body, adjacent said tubular projection.

Claim 31

The drum of claim 27 wherein said handling member is in the form of a loop of flexible material cooperatively engaging said tubular projection.

Claim 32

The drum of claim 27 wherein said handling member is in the form of a receptacle constituted by a cavity defined by a fold portion being an extension of said tubular projection and including an outer wall spaced from and substantially parallel with one side of said tubular projection facing away from the center of the top of said drum, and a base wall bridging said outer wall and said one side of said tubular projection at the lower ends thereof.

Claim 33

A blow-molded drum of thermoplastic material having an open top, comprising: a substantially cylindrical main body portion having a longitudinal axis; slightly curved head and bottom portions at axially opposite ends of said main body portion and integral therewith, said head portion terminating into an upper free edge constituting the open top of said drum, and said bottom portion terminating into a substantially planar end wall; at least two indentations in the circumferential wall of said head portion at diametrically opposite sides thereof, equidistant from and adjacent to said upper free edge, said indentations having planar bearing surfaces axially aligned relative to each other and disposed substantially normal to the longitudinal axis of said drum, said planar surfaces being adapted to receive supporting members for lifting and transporting said drum; and a handling member for manually and mechanically manipulating said drum, said handling member being moveably attached to said upper free edge of said top portion of said body.

Claim 34

A blow-molded drum of thermoplastic material having an open top, comprising: a substantially cylindrical main body portion having a longitudinal axis; slightly curved head and bottom portions at axially opposite ends of said main body portion and integral therewith, said head portion terminating into an upper free edge constituting the open top of said drum, and said bottom portion terminating into a substantially planar end wall; at least two indentations in the circumferential wall of said head portion at diametrically opposite sides thereof, equidistant from and adjacent to said upper free edge, said indentations having planar bearing surfaces axially aligned relative to each other and disposed substantially normal to the longitudinal axis of said drum, said planar surfaces being adapted to receive supporting members for lifting and transporting said drum; and a handling member for manually and mechanically manipulating said drum, said handling member being moveably attached to said upper free edge of said top portion of said body.