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Class 29/896.6 - Multiperforated metal article making


Subclass of Class 29 - Metal working
Definition: Process for making multiple perforations in a metallic sheet,
No. of patents: 150
Last issue date: 08/18/2009


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NumberTitleIssue Date
7574799Methods of making medical devices
A method of making a stent includes providing a tubular member having a first layer, the first layer and the tubular member having different compositions, removing a portion of the tubular member, and removing a portion of the first layer from the tubular member.
08/18/2009
7370416Method of manufacturing an injector plate
A method of manufacturing an injector plate is provided where a wafer is provided and a release layer is disposed on the wafer. Then a photo resist is formed over the release layer. After photolithography processing, a plurality of plugs are formed from the photo re...
05/13/2008
7363795Guided punching apparatus
A male die is adapted to be opposed to a first face of a metallic plate member. The male die includes a plurality of punches which are provided on the male die and arranged side by side in a first direction with a fixed pitch. A guide member is formed with a guide f...
04/29/2008
7353153Method and system for modeling bone structure
The present invention discloses a structural and mechanical model and modeling methods for human bone based on bone's hierarchical structure and on its hierarchical mechanical behavior. The model allows for the assessment of bone deformations, computation of strains...
04/01/2008
7316067Forming a perforate membrane by laser drilling and a subsequent electro-polishing step
A method of forming a perforate membrane (1) is disclosed for use in a liquid transport device. The membrane has at least plural nozzles (10) formed therethrough. Each of those nozzles has a throat portion (12) opening at opposite end through op...
01/08/2008
7300457Self-supporting metallic implantable grafts, compliant implantable medical devices and methods of making same
Implantable medical grafts fabricated of metallic or pseudometallic films of biocompatible materials having a plurality of microperforations passing through the film in a pattern that imparts fabric-like qualities to the graft or permits the geometric deformation of...
11/27/2007
7283940Multidirectional morphology and mechanics of osteonic lamellae
The present invention discloses a structural and mechanical model and modeling methods for human bone based on bone's hierarchical structure and on its hierarchical mechanical behavior. The model allows for the assessment of bone deformations, computation of strains...
10/16/2007
7278825Method and system for regulating fluid over an airfoil or a hydrofoil
The present invention features a fluid flow regulator that functions to influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including propellers, impellers, turbines, rotors, fans, and other similar devices, as well as...
10/09/2007
7255171Method and apparatus for manufacturing an expandable slotted tube
A method of manufacturing an expandable slotted tube fabricated from at least one tubular element and at least two annular elements connected to the opposite ends of the tubular element by means of butt joints wherein axially extending slots are formed at a uniform ...
08/14/2007
7228985Carrying apparatus
A carrying apparatus includes a metal basket and a metal frame. The metal basket includes a bottom and a wall attached to the bottom. The wall includes an upper edge and a bent connection extending from the wall to the upper edge. The metal frame includes a vertical...
06/12/2007
7222424Method for producing a tubular spring and an actuator unit comprising one such tubular spring
A method for producing a tubular spring (12) in the form of a cylindrical hollow body, especially for pre-tensioning a piezoelectric actuator element (2) of an actuator unit (1) of a fuel injector comprises the step of providing a thin-walled, s...
05/29/2007
7219610Grate plate arrangement for step plates
A grate plate arrangement for step grates includes box-like grate plates (4) positioned on a grate carrier (2) with a front plate (24) placed on its end wall (18) and fastened to the end wall (18) using one or more studs (26...
05/22/2007
7212958Method and system for modelling bone structure
The present invention discloses a structural and mechanical model and modeling methods for human bone based on bone's hierarchical structure and on its hierarchical mechanical behavior. The model allows for the assessment of bone deformations, computation of strains...
05/01/2007
7159436Asymmetrical punch
An asymmetrical tool is provided to form an asymmetric orifice for an orifice disc. The asymmetric orifice is initially formed with a wall portion extending generally perpendicular to first and second generally parallel surfaces of the orifice disc. The wall of the ...
01/09/2007
7143899Filter element and method for manufacturing the plates thereof
A filter element for pulp screens comprising at least two plates separated by a distance from each other, wherein one plate has a number of projections formed thereon, and the projections being directed towards the other plate. The plates are attached to each other ...
12/05/2006
7127383Modeling viscoelastic torsional properties of osteons
The present invention provides a geometric/material computer model of hierarchical bone based upon the viscoelastic properties of longitudinal and alternate osteons. The viscoelastic properties of osteons include, for example, mechanical properties and osteon conten...
10/24/2006
7093457Annular cooler pallet construction
A pallet construction for an annular cooler forms a gas permeable surface for supporting and transporting material during processing thereof. The pallet construction includes a pallet deck having a series of substantially parallel rows of spaced apart elongated slot...
08/22/2006
7069657Method to reduce the width of a slot in a pipe or tube
A method for reducing the width of slots spaced about the surface of a pipe or tube. The method comprises subjecting the surface of the pipe or tube to bombardment by a quantity of shot of a pre-determined size and for a pre-determined length of time to cause deform...
07/04/2006
7048505Method and system for regulating fluid flow over an airfoil or a hydrofoil
The present invention features a fluid flow regulator that functions to significantly influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including propellers, impellers, turbines, rotors, fans, and other similar devic...
05/23/2006
7013778Tube cutting device
A device for cutting slits in plastic tubes produces a plurality of cuts spaced around tubing passed through the device. The device comprises a plurality of rotatable members (3) located at different circumferential positions around a tube passage (2) ...
03/21/2006
7014175Packing for column
Packing elements typically used in columns to enhance chemical reactions are illustrated. The packing element may be shaped as a sphere, ellipsoid or any shape of a revolution of a conic. Alternate embodiments illustrated may have faces analogous to crystal shapes. ...
03/21/2006
6997254Method of making a centering device and centering device formed by that method
A spring centralizer device for supporting a tubular member spaced from the wall of a bore is made from a single piece of boron steel material. The spring centralizer device has first and second collars spaced apart along a longitudinal axis. Spring bow portions ext...
02/14/2006
6978544Method of securing ornamentation to a wheel using a retaining article
A retaining assembly secures ornamentation having an inboard surface and a plurality of protrusions to a wheel. The retaining assembly includes a ring. The ring includes a plurality of openings extending therethrough. The openings receive protrusions that extend out...
12/27/2005
6936066Complaint implantable medical devices and methods of making same
Implantable medical grafts fabricated of metallic or pseudometallic films of biocompatible materials having a plurality of microperforations passing through the film in a pattern that imparts fabric-like qualities to the graft or permits the geometric deformation of...
08/30/2005
6918740Gas compression apparatus and method with noise attenuation
A gas compression method and method according to which an impeller rotates to flow fluid through a casing, and a plate is disposed in a wall of the casing. At least one series of cells are formed in the plate to form an array of acoustic resonators to attenuate acou...
07/19/2005
6905032Screens for fibrous paper suspensions and process for making same
Process for manufacturing screens and screens suitable for use in wet screening fibrous paper suspensions, in which the screens include at least one screen plate having a number of sorting apertures. The process includes providing a number of fastening openings in t...
06/14/2005
6874769Structured packing plate and element and method of fabricating same
A mass transfer column is provided with an external shell defining an internal region. Packing elements are positioned within the internal region of the mass transfer column. The packing elements have one or more plates formed from sheet material that has been shape...
04/05/2005
6865810Methods of making medical devices
A method of making a stent includes providing a tubular member having a first layer, the first layer and the tubular member having different compositions, removing a portion of the tubular member, and removing a portion of the first layer from the tubular member.
03/15/2005
6860012Method for forming elastic ventilation cushion
A method for forming elastic ventilation cushion comprises the steps of arranging a plurality of needle seats at two banks, an upper bank and a lower bank, and a straight gap is formed between the upper bank and the lower bank, wherein one edge of each needle seat n...
03/01/2005
6803087Ceramic honeycomb body and process for manufacture
There is provided ceramic honeycomb body including a plurality of parallel cells defined by intersecting internal walls, and arranged in horizontal and vertical rows at and between opposing ends of the honeycomb body, an outer peripheral wall surrounding the cells, ...
10/12/2004
6789406Methods of forming angled orifices in an orifice plate
Several methods of forming angled orifices in a metal sheet are described in which an angled orifice can be formed from a preformed right-angled orifice. Each angled orifice has an oblique axis relative to at least one of a first surface and a second surface of a me...
09/14/2004
6763588Gamma ray collimator build up
A method of providing with precision a number of long and narrow through holes (11) in a body (1) made of a high-density material. The body (1) is made in the form of a number of partial bodies (2, 2′, 2″), which are arranged close to...
07/20/2004
6745469Method of making screen media and a screening passage therefore
A screen media (200) for use in screening pulp slurry has a first side (204) and a second side (206). The pulp slurry is fed from the first side of the screen media to the second side of said screen media through a plurality of screening passage...
06/08/2004
6729175Test piece for inspection penetrant performance assessment and comparison
A test panel and process of preparing a test panel for evaluating the performance of inspection penetrants by inducing cracks into a brittle coating. The process includes drilling one or more holes from the back side of a test plate which has been plated on a plated...
05/04/2004
6718635Method for making mesh containers
The present invention is directed to a container comprising a first piece of mesh material and at least one separate second piece of mesh material. The first piece of mesh is bent to form a bottom wall and a first pair of sidewalls. The second piece of material form...
04/13/2004
6691386One-step rotary forming of uniform expanded mesh
A single step method and apparatus for the production of expanded metal mesh from deformable metal strip such as lead or lead-alloy strip for use in lead-acid battery manufacture. The apparatus comprises a pair of opposed rolls each having a plurality of ...
02/17/2004
6691413Underdrain filtration system with stamped perforations
An underdrain filtration system has improved perforation structure, the perforations being positioned to admit the filtrate into a plenum defined by elongated underdrain rib structures of the system. Instead of drilled or laser-cut holes or slits, the sli...
02/17/2004
6555246Method of producing a sound-absorbent insulating element and insulating element produced according to this method
The invention relates to a method of producing a sound-absorbent insulating element with at least two metallic leaves or sheets (2, 3) in the form of films or sheets. According to said method, at least one of said elements is provided with knobs in such a...
04/29/2003
6544623Honeycomb cell structure and method of manufacture
A honeycomb cell structure has a plurality of first strips each formed into a generally zig-zag configuration and placed side by side to form a plurality of rows of cells in a generally honeycomb configuration with nodes between adjacent cells in each row...
04/08/2003
6484400Method of manufacturing an orifice member
A method of manufacturing an orifice member used in a nozzle for ink-jet printing includes a first step of applying an adhesive onto one surface of a synthetic resin member; a second step of forming at least one through-opening in a metallic member such t...
11/26/2002
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