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    • 3. 发明专利
    • CONCRETE FORMING SYSTEM
    • CA1328746C
    • 1994-04-26
    • CA593605
    • 1989-03-14
    • MILLER BRIAN JTURNER DAVID W
    • MILLER BRIAN JTURNER DAVID W
    • E04B2/86E04G11/00
    • CONCRETE FORMING SYSTEM A concrete forming system is provided which incorporates a pair of wall panels arranged in a predetermined upright spaced relation and a skeletal grid assembly disposed between the wall panels and retaining same in the predetermined upright spaced relation while concrete is being poured between the wall panels. The grid assembly is provided with a plurality of first rods arranged in spaced relation and spanning the distance between the wall panels. The ends of each first rod are disposed within preformed holes formed in the wall panels. Each rod end has a portion thereof disposed adjacent an exterior surface of a wall panel. A plurality of second rods are disposed between the wall panels and engage interior surfaces of the wall panels. The second rods interconnect with the first rods. Retainer rods are provided which are disposed adjacent exterior surfaces of the wall panels and interlockingly engage the portions of the first rod ends disposed adjacent the wall panel exterior surfaces and retain each wall panel between a second rod and a retainer rod.
    • 5. 发明专利
    • BOWLING DARTBOARD GAME
    • CA2008745A1
    • 1991-07-29
    • CA2008745
    • 1990-01-29
    • TURNER DAVID WMILSTONE CAROL M
    • TURNER DAVID WMILSTONE CAROL M
    • F41J3/00
    • A dart game toy that is suitable for simulating the popular bowling games, it comprises a dart, and a target board with representations of bowling pins. One game play consists of a set of sequential dart throwings being thrown by one player. The objective is to have the initial dart landed on the strike target zone on the target board. If the dart is landed in the strike target zone, the player scores a "strike" as in bowling, if outside the strike target zone the player will throw a second dart at other target zones in an attempt to score a "spare" as in bowling by landing a dart in a target zone which when added to the results of the first throw would count as a spare. When simulating ten pin bowling two dart throws would be allowed, and when simulating five pin bowling three dart throws would be allowed. The games rules are such that players will use regular bowling score sheets and a game will consist of ten plays by each player as in bowling.