PLASTIC SHEETS TUBES

Brand	Owner	Address	Description
PENTACARD	Klockner-Pentaplast of America, Inc.	P.O. Box 500 Klockner Rd. Gordonsville VA 22942	plastic sheets and tubes for use in the plastic converting industry for use in manufacturing credit cards and other similar materials;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Marine craft has a crushable frontal impact protection structure, comprising transverse bulkhead protecting passenger area; longitudinal crushable tubes; and transverse member. Webs and strengthen tubes, which may be made of extruded, heat treated aluminum; stainless steel; or plastic. Tubes in FIGS. 5 to 7 are splayed, to improve protection against angled impacts C. The forward ends of tubes are tapered, (FIG. 3) to initiate deformation. Tubes may be hexagonal, round, or oval in cross-section. FIG. 8 shows longitudinal bulkheads, and transverse bulkhead in place of tubes. FIG. 9 shows longitudinal corrugated sheets; these may be mounted transversely. FIG. 10 shows how area filled with deformable cellular foam, to act as a buoyancy aid if hull is breached. Side and roar impact protection is also disclosed.