Particle spraying
AssigneeVelcro Industries B.V.
InventorPeter J. Mueller
Life of this patent
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Abstract
A particle sprayer includes a source of discrete particles, a spray outlet coupled to the particle source, and a conduit extending from a pressurized fluid inlet to the spray outlet and configured to constrain a flow of carrier fluid to flow along the conduit toward the spray outlet to propel particles from the particle source away from the spray outlet. The particles including discrete fastening bits having one or more projections, with each projection having an overhanging head for snagging fibers. The particle sprayer may be used to spray fastening bits onto a surface, to turn the surface into a touch fastener.
Claims19
A particle sprayer, comprising:
- a reservoir containing a multiplicity of particles;
- a valve in hydraulic communication with the reservoir for dispensing particles from the reservoir;
- and
- a spray outlet coupled to the reservoir for spraying particles dispensed by the valve;
- wherein the particles comprise discrete fastening bits, each bit having one or more projections, and each projection having an overhanging head for snagging fibers.
A particle sprayer, comprising:
- a particle source comprising particles, wherein the particles comprise discrete fastening bits having one or more projections, and each projection having an overhanging head for snagging fibers;
- a spray outlet coupled to the particle source;
- and
- a conduit extending from a pressurized fluid inlet to the spray outlet and configured to constrain a flow of carrier fluid to flow along the conduit toward the spray outlet to propel the particles from the particle source away from the spray outlet.
Dependencies are inferred from the claim text.