Abstract: A method for constructing a ballistic resistant tower entails forming a tower ring for a ballistic resistant tower and welding a ballistic resistant stub to a structural ring on a ballistic resistant enclosure. The enclosure includes a hatch to allow entry into the enclosure. An embedment ring with perforations is constructed so that the ring can support a dynamic load and an impulse load of at least 24 psi for 5 milliseconds. The embedment ring is secured to a foundation and one or more tower rings are secured to the embedment ring using a slip ring. The slip ring ensures that the alignment of the tower ring with the embedment ring is correct. The method ends by slipping the ballistic resistant stub into the interior side and the upper end of the tower ring and welding the ballistic resistant stub to the interior side of the tower ring.

Abstract: A container assembly formed of two cup-shaped container halves which are combined with their open end portions in telescoped relation and being secured together by way of a coupling sleeve. The coupling sleeve is internal in the preferred embodiment, but may be external. The overlapped free end portions of the container halves may be disposed immediately adjacent one another, or may be separated by the coupling sleeve. Except when the coupling sleeve is located externally, the raw edge of the free end of the inner free end portion is always protected by the coupling sleeve. The coupling sleeve may have a socket in which one or both of the free end portions is seated. The container halves are formed of metal and the coupling sleeve is formed of a plastics material and bonded to a coating on the metal halves.

Abstract: This relates to an easy opening container unit wherein a panel of a container is provided with a first line of weakness defining a first displaceable panel portion which, when displaced, defines a dispensing opening in the container. A second line of weakness extends from the first line of weakness and defines a second displaceable panel portion to which an opening tab is secured with the second displaceable panel portion functioning as a hinge element for the opening tab. the arrangement of the lines of weakness permits the use of a substantially rigid tab which permits a greater leverage advantage while at the same time minimizing tab failure.