Patents Assigned to Boise Cascade Corporation
  • Patent number: 4216736
    Abstract: An improved scored metal end closure member for composite containers and the like is disclosed, together with the method and apparatus for forming the same, characterized in that a fully or partially removable panel portion is defined in the central panel portion by a scoreline of novel no-fin configuration. The scoreline--which is formed in one horizontal surface of the central panel portion by a truncated wedge score indenting device--has a generally trapezoidal configuration including a flat bottom wall, and generally divergent side walls. The opposite horizontal surface of the central panel portion is stepped to define a region of reduced thickness that extends from a location opposite one edge of the scoreline bottom wall in a direction away from the scoreline. Consequently, during progressive removal of the removable panel portion, the formation of sharp fins or projections on the residual lip remaining on the metal end is avoided.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: August 12, 1980
    Assignee: Boise Cascade Corporation
    Inventor: Teddy M. Westphal
  • Patent number: 4209126
    Abstract: A partial opening patch top closure member for containers is disclosed including at least one layer of monoaxially oriented synthetic plastic film the grain pattern of which extends in a given direction. The closure member includes body and tab portions so arranged relative to the grain pattern of the film that upon pulling of the tab portion, a section of the body portion is torn from the body portion along a line of tear parallel with the grain pattern, thereby leaving bonded to the container a residual body portion section containing a dispensing opening. Preferably the line of tear is at least partially defined by a tear-initiating cut contained in a juncture between the tab and body portions.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: June 24, 1980
    Assignee: Boise Cascade Corporation
    Inventor: Thomas C. Elias
  • Patent number: 4208350
    Abstract: Phenol, ortho-cresol, meta- and para-cresols, guaiacol, vanillin, acetovanillone and other phenols are separated from alkaline pulping spent liquors by extracting the alkaline liquors with a lower aliphatic alcohol having from 2-5 carbon atoms inclusive, separating the solvent and aqueous phases, and thereafter separating the phenols from the solvent phase.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 17, 1980
    Assignee: Boise Cascade Corporation
    Inventors: William M. Hearon, Cheng F. Lo
  • Patent number: 4186630
    Abstract: Portable cutting apparatus is disclosed for turning either the outer peripheral surface of a cylindrical workpiece, such as a journal, or the annular end face of a tubular workpiece, such as the flanged mouth of a retort or the like. A hollow drum, which is rotatably driven around a fixed shaft, carries a change speed gear box for reciprocating a tool holder also carried by the drum. The tool holder is an interchangeable attachment for the drum and depending on the attachment used, the tool is movable in planes either normal to or concentric about the axis of rotation of the drum. The gear box is geared to the fixed shaft and therefore driven by rotation of the drum.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: February 5, 1980
    Assignee: Boise Cascade Corporation
    Inventor: Carl L. Lindhag
  • Patent number: 4187137
    Abstract: A composite container is disclosed that includes a helically-wound label layer which contains a line of perforations that extends circumferentially adjacent and spaced from a metal end closure member, thereby to define a line of tear along which the label layer may be torn from the container. By the provision of the perforated tear line, the requirement of a collar cut in the container is avoided, thereby permitting the use of a thinner fibrous body wall layer. Preferably the line of perforations is discontinuous to define an imperforate portion of the label layer which is bonded in straddling relation across the helical butt joint contained in the fibrous body wall layer.
    Type: Grant
    Filed: March 21, 1978
    Date of Patent: February 5, 1980
    Assignee: Boise Cascade Corporation
    Inventor: Ronald A. Beauchamp
  • Patent number: 4158410
    Abstract: A unitary blank for forming a packaging container for a heavy article such as a motor is disclosed, the blank including opposed vertical side and end wall panels, and top and bottom flaps connected with each of the panels, respectively, characterized by the provision in the fold lines between each of a pair of opposed panels and at least one of the flaps connected thereto an H-shaped cut, which cut straddles the fold line and defines a pair of opposed binding tabs generally facing the fold line, whereby when the flap is folded to a horizontal position and the tabs are foldably displaced inwardly, a recess is formed in the edge between the panel and the associated flap for receiving a binding strap arranged circumferentially about the container.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: June 19, 1979
    Assignee: Boise Cascade Corporation
    Inventor: Donald F. Novatny
  • Patent number: 4143768
    Abstract: A wrap-around container blank is disclosed for forming a shipping container for a relatively large receptacle having an upwardly extending neck portion, characterized by the provision of three superimposed horizontal top panels for protecting the neck portion of the receptacle, thereby to permit stacking of the containers without damaging the receptacles packaged therein. A lowermost first top panel is adapted to be folded to a horizontal position adjacent the upper surface of the body portion of the receptacle, which top panel contains an opening through which the neck portion of the receptacle extends. The second and third top panels are foldable toward superimposed contiguous horizontal positions spaced above the first panel adjacent the upper extremity of the receptacle neck portion, thereby stabilizing the receptacle within the container.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: March 13, 1979
    Assignee: Boise Cascade Corporation
    Inventor: Roger L. McCulloch
  • Patent number: 4128677
    Abstract: A method and apparatus are disclosed for forming a novel corrugated paperboard web of indefinite length, which web includes a planar facer layer and a corrugated layer the flutes of which extend longitudinally the length of the web. The web is formed by splicing together sections having offset planar facer and corrugated layers of generally equal dimensions, respectively, whereby at one end the facer layer projects beyond the corrugated layer and at the other end the corrugated layer projects beyond the facer layer, the flutes of the corrugated layer extending from one projecting end to the other. Successive sections are spliced together with the projecting facer layer portion of one section overlying the projecting corrugated portion and the facing layer of another section, preferably with the adjacent portions of the corrugated layers of the two sections being in flute-enmeshing engagement.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: December 5, 1978
    Assignee: Boise Cascade Corporation
    Inventor: Walther J. Hoelzinger
  • Patent number: 4126508
    Abstract: A method and apparatus are disclosed for forming a novel corrugated paperboard web of indefinite length, which web includes a planar facer layer and a corrugated layer the flutes of which extend longitudinally the length of the web. The web is formed by splicing together sections having offset planar facer and corrugated layers of generally equal dimensions, respectively, whereby at one end the facer layer projects beyond the corrugated layer and at the other end the corrugated layer projects beyond the facer layer, the flutes of the corrugated layer extending from one projecting end to the other. Successive sections are spliced together with the projecting facer layer portion of one section overlying the projecting corrugated portion and the facing layer of another section, preferably with the adjacent portions of the corrugated layers of the two sections being in flute-enmeshing engagement.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: November 21, 1978
    Assignee: Boise Cascade Corporation
    Inventor: Walther J. Hoelzinger
  • Patent number: 4114784
    Abstract: A compartmented composite container package is disclosed including a tubular composite body wall member closed at one end by a metal closure member, the one end of said body wall member containing a cup for receiving a first product, characterized by the provision of a separator member that is connected with the open end of the cup by a snap-fit connection to isolate the first product from a second product that is introduced into the remaining space within the tubular wall member via the other end thereof. In order to further isolate the products from each other, the separator includes a radially enlarged cylindrical flange portion that circumferentially engages the uniform cylindrical inner wall surface of the tubular body wall member, thereby to cooperate with the snap-fit connection to provide a double sealing result.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: September 19, 1978
    Assignee: Boise Cascade Corporation
    Inventors: Robert J. Hough, John E. Bacon
  • Patent number: 4109876
    Abstract: A unitary suspension blank is disclosed for supporting an article of furniture or the like in a shipping container, characterized in that the blank is foldable to a hollow configuration to define a platform upon which the seat frame is supported. Normally the height of the platform is greater than the height of the furniture legs, whereupon the lower extremities of the legs are spaced from the bottom panel of the folded suspension blank. The suspension blank may be mounted within the lower portion of a cover member which is connected with the side walls of the folded suspension blank to form a rugged shipping package in which the legs are fully protected against damage.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: August 29, 1978
    Assignee: Boise Cascade Corporation
    Inventor: John R. Kratochvil, Jr.
  • Patent number: 4108349
    Abstract: A cellular space divider for cartons and the like is disclosed that is formed from a blank of sheet material such as corrugated cardboard. The blank contains vertical first scorelines that define front, rear, and a pair of side panels. One of the panels contains a horizontal first fold line, and the remaining panels each contain throughout substantially the length thereof a first cut colinear with the first fold line, whereby the panels are divided into lower first and upper second panel sections. When the panels are folded about the first score lines to define a tube and the adjacent ends of the panels are connected together, the lower and upper panel sections define lower and upper cell units, respectively, the upper cell unit being foldable about the first fold line to a position in which the external surfaces of the panel sections joined by the first fold line are in contiguous engagement, thereby to define a multi-cell arrangement.
    Type: Grant
    Filed: November 15, 1977
    Date of Patent: August 22, 1978
    Assignee: Boise Cascade Corporation
    Inventor: James L. Pfaffendorf
  • Patent number: 4091718
    Abstract: A one-step easy-open composite container for dough products and the like, together with a method and apparatus for forming the same, are disclosed, which composite container includes a fibrous body wall layer having an unbonded helical butt joint, an impervious inner liner layer that is folded to define an expansible folded portion that extends helically the length of the container opposite the helical butt joint, an outer label layer wound helically in adhesively-bonded relation upon the body wall across the butt joint, and at least one end closure member closing one end of the body wall-label laminate, characterized in that the overlapping edge of the outer label layer is precut--prior to winding on the body wall layer--by a tab cut which is arranged at an acute angle relative to the separation line of end cut in laterally spaced relation to the helical butt joint.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: May 30, 1978
    Assignee: Boise Cascade Corporation
    Inventor: Dewey B. Thornhill
  • Patent number: 4082743
    Abstract: Dialdehyde cellulose is produced by reacting cellulose in aqueous medium with meta periodate ion used in a molar ratio of from 1.2 to 12 moles of meta periodate ion per mole of cellulose at a temperature of from 36.degree. to 60.degree. C. and a pH of between 2 and the conversion pH of water soluble meta periodate to water insoluble para periodate, and separating the dialdehyde cellulose product from the reaction mixture.
    Type: Grant
    Filed: January 28, 1975
    Date of Patent: April 4, 1978
    Assignee: Boise Cascade Corporation
    Inventors: William Montgomery Hearon, John F. Witte, Cheng Fan Lo
  • Patent number: 4073804
    Abstract: Glycine is produced by the reductive amination of glyoxylic acid in a reaction mixture comprising glyoxylic acid, ammonia, water and a water-soluble organic solvent for glyoxylic acid, in an atmosphere of hydrogen, using a rhodium hydrogenation catalyst.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: February 14, 1978
    Assignee: Boise Cascade Corporation
    Inventors: William M. Hearon, Lo C. Fan
  • Patent number: 4016207
    Abstract: Di- and tricarboxy celluloses are hydrolyzed with sulfurous acid in an aqueous medium to a mixture of erythronic acid and glyoxylic acid, in the case of dicarboxy cellulose; to a mixture of meso tartaric acid and glyoxylic acid in the case of tricarboxy cellulose; and to a mixture of these three products, in the case of a feedstock comprising a mixture of di- and tricarboxy celluloses.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: April 5, 1977
    Assignee: Boise Cascade Corporation
    Inventors: William Montgomery Hearon, John F. Witte, Cheng Fan Lo
  • Patent number: 4016311
    Abstract: A protected easy-open metal end for containers is disclosed that contains a scoreline which defines on the central portion of the end a removable panel portion and a residual lip portion. A layer of synthetic resin hot melt material is deposited on one of the central panel surfaces opposite the scoreline, whereupon after the hot melt is solidified, the end is post heated to effect softening of the hot melt so that the metal end surface is wetted thereby. The resultant bond between the hot melt and the metal end is so great that severing of the removable panel from the end effects corresponding severing of the hot melt layer to provide protective hot melt layers on the edges of each of the panel and the residual lip portions. The hot melt layer may be applied to the same or the opposite central panel surface that contains the scoreline, or on both surfaces to provide two-side protection.
    Type: Grant
    Filed: May 13, 1974
    Date of Patent: April 5, 1977
    Assignee: Boise Cascade Corporation
    Inventors: Donald H. Ellerbrock, Robert J. Hough
  • Patent number: 4008849
    Abstract: Bidirectional tear strip means for containers are disclosed, characterized in that the tear strip means are defined by at least three parallel spaced rows of slits or cuts successive pairs of which are arranged in a herringbone pattern for defining therebetween a tear strip, the successive tear strips defined by the rows of slits being operable in opposite tear directions, respectively. Preferably the slits of each row are linear, of equal length, and are equally spaced from each other. The slits of successive rows have the same acute angle -- but are of the opposite sense -- relative to the longitudinal axis of the tear strip defined therebetween. Preferably the slits of one row are longitudinally offset from the slits of the next row. In the preferred embodiment, the tear strips are so defined in the container blank that upon tearing of the tear strip means of the resulting container in either of two directions, the container may be divided in half for ready access to the container contents.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: February 22, 1977
    Assignee: Boise Cascade Corporation
    Inventor: Donald D. Baber
  • Patent number: 3998878
    Abstract: Mixtures of oxalic, meso tartaric, glyoxylic and erythronic acids derived particularly from the oxidation of cellulose derivatives are separated from aqueous solutions in which they are contained and from each other by stepwise precipitation with calcium ion at controlled pH. The oxalic acid is precipitated as calcium oxalate at a pH of 0.9 to 2.0; the tartaric acid as calcium meso tartrate at a pH of 2.8 to 4.4; and the glyoxylic acid, as calcium glyoxylate at a pH of 4.5 to 5.4. After each precipitation the water insoluble precipitate is separated from the aqueous mixture in which it is contained. The relatively soluble erythronic acid remains in solution as a free acid, or in the form of its calcium salt.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: December 21, 1976
    Assignee: Boise Cascade Corporation
    Inventors: William Montgomery Hearon, Cheng Fan Lo, John F. Witte
  • Patent number: 3984010
    Abstract: A truss stacking apparatus is disclosed which includes means for lifting successive horizontally disposed trusses off of a conveyor and for stacking the trusses in a generally upright orientation on a stacking skid. Guide means are disposed in the conveyor path for contacting the angularly arranged top chords of successive trusses to effect lateral shifting of the trusses toward lifting positions in which the trusses are lifted from the conveyor onto the skid. SUBACKGROUND OF THE INVENTION1. Field of the InventionThis invention relates generally to handling equipment for wooden structural truss members, and more particularly to apparatus for raising horizontally disposed truss members off of a conveyor and for stacking the trusses in a generally upright position on a stacking skid.2. Description of the Prior ArtPrefabricated wood building components, such as roof and floor trusses, are used extensively in the building industry today, particularly for residential construction.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: October 5, 1976
    Assignee: Boise Cascade Corporation
    Inventors: Eugene L. Woloveke, Marvin M. Thompson