Abstract: A corrugated or other suitable carton board tray for baking a food product in the tray is disclosed. The tray includes a rectangular base (5), upright side walls (7), upright end walls (9), and a locking assembly (15, 17) that holds the side walls and the end walls in upright positions with the comers of the tray and therefore the corners of the baked food product produced in the tray being straight and squared. A blank for forming the tray is also disclosed.

Abstract: A food preparation and distribution tray is disclosed. The tray is adapted to receive and support cups, such as paper “patty” cups, for preparing food products. The tray has a plurality of openings for receiving cups. The tray also includes a support means for supporting the sides of the cups at two or more heights of the cups. The sides of the cups are not otherwise supported. In use, the cups are positioned in the openings and the sides are supported at two or more heights of the cups by the support means. The support means may, in effect, suspend the cups above a base of the tray. Alternatively, the tray may be formed so that the cups are supported by the tray base and the support means.

Abstract: A documents envelope that has one opening (13) only for inserting documents into and removing documents from the envelope and a flap (11) for closing the opening, which flap (11) includes a series of sections, the sections including: (a) a first section (15) that is at or towards an end of the flap and can be secured to a front face or panel (3) (hereinafter referred to as “panel”) of the envelope when the flap (11) is in an initial closed position and thereby close the opening (13); (b) a second section (17) that is adjacent to the first section (15) and covers a section of the envelope front panel (3) that can carry or does carry on-forwarding or return delivery information when the flap (11) is in the initial closed position; and (c) a third section (25) that is adjacent to the second section (17) and can be secured to the envelope front panel when the flap (11) is in a subsequent closed position and thereby reclose the opening (13).

Abstract: Packaging (3) for causing the outside surface of a food product to crisp and/or brown when the food product is heated in a microwave oven. The packaging comprises a corrugated sheet (5) of a susceptor material (e.g., metalised polyester) adapted to be wrapped at least partially around the food product. The corrugated sheet may have adhered thereto a backing sheet (7) of paper or cardboard.