Abstract: A lateen rigged sailing vessel having a mast; a luffspar; a boom; a pair of lateral struts; and a lateen sail, has a lower end of the mast mounted forward on the vessel and positioned on the vessel's longitudinal center line in a canted fashion raked aft. The boom is rotationally supported in a lower journal fixedly engaged medially on the vessel at the center line. The luffspar is joined pivotally with a forward end of the boom and, when rigged for sailing is positioned below and in parallel with the mast. The luffspar is rotationally supported in an upper journal wherein the upper journal, upper end of the mast, and upper ends of the pair of lateral struts are all engaged in a common fixture held in place by the mast and the lateral struts. The upper and lower journals are arranged on a common journal center line. The lower ends of the lateral struts are engaged with the vessel at the port and starboard gunnels. The sail is engaged along a luff edge with the luffspar and along a toe edge with the boom.

Abstract: The time required for the erection of large-diameter fiberglass-reinforced tanks is reduced greatly, and tank quality much improved, by providing fiberglass-reinforced joint rings exteriorly adjacent the abutted ends of the tank sections, bonding and sealing the joint-ring edges to the tank section walls, and introducing large amounts of thermosetting bonding resin into the resulting large annuluses. Fiberglass-reinforced joint means are also bonded to the section ends interiorly thereof. This is accomplished by mounting corrosion-barrier joint rings interiorly adjacent the abutted ends in such manner as to create annuluses, and injecting bonding and corrosion-prevention resin into such annuluses. Each exterior joint ring is first mounted on a tank section above the end, then such end is caused to abut an opposed end, and then the joint ring is dropped onto stop means prior to the above-mentioned bonding-sealing and resin-introduction steps.

Abstract: This invention provides a method for producing a storage tank from a resilient material, such as a fiber glass reinforced plastic, in which a member is formed to a cylindrical configuration at a first location, flattened to an oblate configuration and held in said oblate configuration while transported to a second location, and then released so as to resume its cylindrical configuration, whereupon by addition of a base and a top the tank is completed. The member may be formed in sections at the first location with the sections being flattened to varying degrees so as to fit one within the other during transportation. Similarly, the top and base may be cut into sections and nested with the sections of the flattened member during transportation.