Class 52/673 - Perforated

Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure wherein the member is a perforated sheet.
No. of patents: 26
Last issue date: 04/08/2008

Number	Title	Issue Date
7354639	Method of bending sheet materials and sheet therefor A sheet of material formed for bending along a bend line including a sheet of material (30) includes a plurality of dividing slits (37) and a plurality of strap slits (39) formed therethrough. The dividing slits extending substantially along a d...	04/08/2008
7252325	Work vehicle cab screen A side screen for the cab of a work vehicle, such as a skid steer loader, comprises a panel having strips defining openings therebetween. A high percentage of the area of the screen is open for visibility. At least one reinforcing member, such as a rib, is formed in...	08/07/2007
7194941	Apparatus for the manufacture of perforated plaster boards as well as method for the manufacture of perforated plaster boards and installation thereof In an apparatus and a method for the manufacture of perforated plaster boards, provision is made for the operations of punching and cutting the sides to take place one directly after the other with the boards being held in position by grabbing and conveying equipmen...	03/27/2007
7174688	Non clogging screen A filter assembly is provided that has a filtering screen and a skeletal structure, the skeletal structure being attached to the filtering screen. At least one of the filtering screen and the skeletal structure form a plurality of downward extending channels. ...	02/13/2007
7134254	Skylight fall protection safety panel and method of making A skylight fall protection safety panel formed from a single sheet of metal having a predetermined surface area A1 and a plurality of apertures are punched out of at least one central perimeter surface area A3. A2 is as great as or greater than ...	11/14/2006
7121053	Reinforced slab made of cement conglomerate, method for the manufacture thereof and associated reinforcing structure A reinforced slab, in particular able to withstand concentrated loads, has a substantially flat reinforcing structure (20) which is situated at a distance from the bottom (12) of the mould (10) and arranged at a height such as to allow embedding...	10/17/2006
7093401	Light gauge metal truss system and method A truss system wherein the structural components and fixtures are formed from light gauge metal. The trusses are fabricated from roll formed truss chord members and truss web members. The truss chord members are roll formed to have a generally U-shaped cross-section...	08/22/2006
7028434	Spillage control safety floor matting A thin flexible floor mat system is configured to resist penetration by high heeled shoes and be capable of being easily rolled up in long segments. The floor mat is constituted by a series of small square sections and are connected together with connectors that per...	04/18/2006
6578324	Spillage control safety floor matting A thin flexible floor mat system is configured to resist penetration by high heeled shoes and be capable of being easily rolled up in long segments. The floor mat is constituted by a series of small square sections and are connected together with connecto...	06/17/2003
6405495	Spillage control safety floor matting A thin flexible floor mat system is configured to resist penetration by high heeled shoes and be capable of being easily rolled up in long segments. The floor mat is constituted by a series of small square sections and are connected together with connecto...	06/18/2002
6207256	Space truss composite panel A space truss composite panel is excellent in structural mechanics and capable of being efficiently and economically produced. The space truss composite panel has a construction in which a sheet 1 provided with a series of slits 2 is formed into a space f...	03/27/2001
6101859	Die assembly for forming a pattern on a metal plate A one-piece metal plate has an open mesh-like pattern, a plurality of identical rectangular perforations arranged at regular intervals in parallel rows, a plurality of identical rectangular embossed parts arranged at regular intervals and bridging the row...	08/15/2000
5992105	Spillage control safety floor matting A thin flexible floor mat system is configured to resist penetration by high heeled shoes and be capable of being easily rolled up in long segments. The floor mat is constituted by a series of small square sections and are connected together with connecto...	11/30/1999
5979139	Lightweight, self-supporting paneling A paneling system includes a first upper or outer plate having a plurality of outwardly extending tabs unitarily and integrally formed therewith and a second, lower plate spaced apart from the upper plate to present a void therebetween. The tabs span the ...	11/09/1999
5964070	Building panel system Two sheets having geometric perforations formed in a regular pattern are mounted such that they are spaced apart in parallel planes and the geometric perforations are congruent. The pair of sheets may be used either for the decoration of the facade of a b...	10/12/1999
5890336	Base sheet for roofing assembly Roofing assembly having a substrate covered with a base sheet which is perforated with a plurality of uniformly spaced clusters of vertical apertures designed to receive an adhesive to bond the base sheet to the substrate. The roofing assembly possesses i...	04/06/1999
5845379	Method for making a supporting crossbar construction and a crossbar construction made according to the method A supporting crossbar construction is made from thin metal strip by feeding the strip lengthwise to a punching station, and forming in the punching station four parallel rows of slits extending lengthwise of the strip so that five parallel plate fields ar...	12/08/1998
5499481	Sectional network structure for lighting The structure comprises, in combination, lattice elements (1) with successive sides (1A) inclined in opposite directions; longitudinal connecting pieces (1B) and partial longitudinal connecting pieces (1C) for the joining of successive lattice clients (1)...	03/19/1996
5447107	Metallic transporting appliance A metallic transporting appliance, such as a flat pallet, a skid, or a box pallet, is designed so that a thin metal plate is used entirely for the pallet and skid and for the side wall of the box pallet. The thin metal plate is subjected to burring so as ...	09/05/1995
5259157	Acoustical deck panel assembly A panel assembly including a plurality of roof deck panels assembled in side-by-side relationship and secured to roof supports with each panel including a plurality of parallel and spaced apart perforated flat sections. Each flat section is separated from...	11/09/1993
4619098	Metallic structural member particularly for support of walls and floors of buildings A structural metallic member particularly useful for framing interior and exterior walls, ceilings and floors of building structures consists of a hollow generally quadrangular in transverse cross-section stud consisting of at least three contiguous walls...	10/28/1986
4606156	Access flooring panel The specification discloses an access flooring panel having improved load-bearing strength and a relatively simple construction. The panel includes a generally planar metal pan and a concrete core cast thereon. The pan includes a plurality of tabs encapsu...	08/19/1986
4545170	Expanded metal products A novel and improved, expanded metal is disclosed along with novel and improved products incorporating such expanded metal. The expanded metal is formed from a piece of sheet metal which is lanced in nested arrays so that when the metal is expanded, diago...	10/08/1985
4522860	Material for reinforcing core in a structure A material for use as a core in panels or structural members includes a longitudinal and transverse axis which lie in a common plane. The material includes alternating first and second strips that are interconnected at spaced intervals along the longitudi...	06/11/1985
4343119	Beveled lobe anti-skid grating An improved anti-skid tread or grating (10) design is provided with gripping members or rosettes (30) having a plurality of upstanding individual lobes (36) which are configured in such a way and project high enough to provide an excellent gripping surfac...	08/10/1982
4052166	Converter with catalyst pellets A pellet holding casing disposed in a container is formed at its wall sections with a plurality of louvers that extend outwardly away from the casing. Each of the louvers is formed with at least one channel shaped corrugation in substantially the top port...	10/04/1977

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Class 52/673 - Perforated