US PATENT SUBCLASS 425 / 80.1
AIR FELTING TYPE SHAPING MEANS

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

80.1AIR FELTING TYPE SHAPING MEANS {3}
81.1  DF  .~> Means forming stratified products
82.1  DF  .~> With particle liberating means (e.g., cutting, carding, etc.)
83.1  DF  .~> Means forming running length product

DEFINITION

Classification: 425/80.1

AIR FELTING TYPE SHAPING MEANS:

(under the class definition) Apparatus comprising means for depositing particles on a shaping surface from a gaseous suspension.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78+, for means for molding powdered metal.

100, and 103, for pneumatic conveyor means for applying nonmoldable coating materials to apparatus, molding material, or preform material.

223, for devices comprising an endless casting surface and a cooperating harvesting means.

224, for means for casting fluent stock to form a product of indefinite length.

SEE OR SEARCH CLASS

19, Textiles: Fiber Preparation, 296+, for the formation of a nonwoven web from fibers or filaments, and see the notes and search notes in subclass 296, for the line between this class (425) and Class 19 and related fields of search.

28, Textiles: Manufacturing,

104+, for entwining filaments by air blast means.

65, Glass Manufacturing,

507, for glass filament or fiber making combined with means to form a nonwoven mat or batt. See the search note to Class 425 in the III(B) Note of the class definitions of Class 65 for a further statement of the line between the two classes.

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

62.2+, for air felting followed by laminating the felted product to another preform.

264, Plastic and Nonmetallic Article Shaping or Treating:

Processes,

109+, for processes of forming products from randomly associated nonmetal particles.

419, Powder Metallurgy Processes,

61+, for processes for making articles from powders containing metal particles involving pressure without heat.