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1. WO2005096700 - POLISHING PAD AND METHOD OF MAKING SAME

Publication Number WO/2005/096700
Publication Date 20.10.2005
International Application No. PCT/IB2005/000732
International Filing Date 22.03.2005
IPC
A22B 3/06 2006.01
AHUMAN NECESSITIES
22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
BSLAUGHTERING
3Slaughtering or stunning
06Slaughtering or stunning by electric current
A22C 11/08 2006.01
AHUMAN NECESSITIES
22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
CPROCESSING MEAT, POULTRY, OR FISH
11Sausage-making
02Sausage filling or stuffing machines
08with pressing-worm or other rotary-mounted pressing-members
CPC
B24B 37/24
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
37Lapping machines or devices; Accessories
11Lapping tools
20Lapping pads for working plane surfaces
24characterised by the composition or properties of the pad materials
B24D 13/147
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
13Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
14acting by the front face
147comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material
B24D 18/00
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
18Manufacture of grinding tools ; or other grinding devices; , e.g. wheels, not otherwise provided for
B24D 18/0009
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
18Manufacture of grinding tools ; or other grinding devices; , e.g. wheels, not otherwise provided for
0009using moulds or presses
B24D 3/32
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
3Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
02the constituent being used as bonding agent
20and being essentially organic
28Resins ; or natural or synthetic macromolecular compounds
32for porous or cellular structure
B29C 44/3442
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
44Shaping by internal pressure generated in the material, e.g. swelling or foaming ; ; Producing porous or cellular expanded plastics articles
34Auxiliary operations
3442Mixing, kneading or conveying the foamable material
Applicants
  • RIMPAD TECH LTD (AllExceptUS)
  • PRESTON, Spencer [US]/[US] (UsOnly)
  • HUTCHINS, Doug [US]/[US] (UsOnly)
  • HYMES, Steve [US]/[US] (UsOnly)
Inventors
  • PRESTON, Spencer
  • HUTCHINS, Doug
  • HYMES, Steve
Agents
  • LIU, George, D.
Priority Data
10/818,62705.04.2004US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POLISHING PAD AND METHOD OF MAKING SAME
(FR) TAMPON DE POLISSAGE ET PROCEDE D'ELABORATION
Abstract
(EN)
An article or polishing pad for altering a surface of a work piece includes a polymer matrix created by reaction injection molding of size controlled gas bubbles within a polyurethane matrix. The proposed liquid urethane precursor is first injected into_ an actuated mold and cured. The molded product is then removed; from the mold and double side faced or ground o form a single thin polishing pad comprising a single layer of homogeneous material.
(FR)
L'invention concerne un article ou un tampon de polissage permettant de modifier une surface de pièce à travailler, qui comprend une matrice polymère réalisée en moulage par injection-réaction de bulles de gaz de taille contrôlée dans un matrice de polyuréthanne. Le précurseur d'uréthanne liquide proposé pour l'opération est d'abord injecté dans une moule actionné et durci. Le produit moulé est ensuite retiré du moule et sablé ou moulé des deux côtés, donnant un tampon de polissage mince unique qui comprend une seule couche de matériau homogène.
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