Method of making an agglomerate particle
First Claim
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1. A method for making agglomerate particles comprising the steps of:
- a) forcing a composition comprising a radiation curable polymerizable binder precursor and a plurality of solid particulates through a perforated substrate to form agglomerate precursor particles; and
b) separating the agglomerate precursor particles from the perforated substrate; and
c) irradiating the agglomerate precursor particles wherein radiation energy is transmitted from a radiation energy source to the agglomerate precursor particles to at least partially cure the binder precursor to provide agglomerate particles, and wherein the steps a), b), and c) are spatially oriented in a vertical and consecutive manner.
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Abstract
A method for making agglomerate particles from a composition comprising at least a radiation curable binder and solid particulates. The method comprises the steps of forcing the composition through a perforated substrate to form agglomerate precursor particles which then separate from the perforated substrate. Then, the particles are irradiated to form soldified, handleable agglomerate particles before being collected.
312 Citations
75 Claims
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1. A method for making agglomerate particles comprising the steps of:
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a) forcing a composition comprising a radiation curable polymerizable binder precursor and a plurality of solid particulates through a perforated substrate to form agglomerate precursor particles; and
b) separating the agglomerate precursor particles from the perforated substrate; and
c) irradiating the agglomerate precursor particles wherein radiation energy is transmitted from a radiation energy source to the agglomerate precursor particles to at least partially cure the binder precursor to provide agglomerate particles, and wherein the steps a), b), and c) are spatially oriented in a vertical and consecutive manner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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70. A method of making an abrasive article comprising the steps of:
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a) forcing a composition through a perforated substrate to form agglomerate precursor particles, the composition comprising a radiation curable polymerizable binder precursor and a plurality of abrasive grains; and
b) separating the agglomerate precursor particles from the perforated substrate;
c) irradiating the agglomerate precursor particles, wherein radiation energy is transmitted from a radiation energy source to the agglomerate precursor particles to at least partially cure the binder precursor to provide agglomerate particles; and
d) incorporating at least one agglomerate particle into an abrasive article, wherein steps a), b), and c) are spatially oriented in a vertical and consecutive manner. - View Dependent Claims (71, 72, 73, 74, 75)
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Specification
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Current Assignee3M Innovative Properties Company (3M Company)
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Original Assignee3M Innovative Properties Company (3M Company)
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InventorsMcArdle, James L., Culler, Scott R., Nelson, Jeffrey W., Wallace, John T.
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Primary Examiner(s)Lechert, Jr., Stephen J.
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Application NumberUS10/612,999Publication NumberTime in Patent Office734 DaysField of Search428/401, 264/10, 264/13, 264/115, 264/118, 264/405, 264/470, 264/482US Class Current428/401CPC Class CodesB24D 11/005 Making abrasive websB24D 3/14 ceramic, i.e. vitrified bon...B24D 3/28 Resins or natural or synthe...Y10T 428/298 Physical dimension
