Apparatus for forming paint brush heads

Details Apparatus for forming paint brush heads Apparatus for forming paint brush heads

1982-05-12

1984-12-11

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Endless surface means to shape fluent material

249 95, 425116, 425127, 425371, 425805, B29C 100, B29D 300, B29D 3100

Patent

active

044875657

ABSTRACT:
A mold for use in molding paint brush heads comprises a pair of mold forming assemblies adapted to form a mold cavity therebetween. Each of the assemblies comprises an upper segment and a lower segment which are adapted to be retained in an end to end relationship, the lower segment having a length through which a bristle knot can be inserted with ease. A molding machine for use in molding ferruleless paint brush heads is also disclosed in which there is provided the improvement of a mold assembly comprising a first pair of molding belts, each having oppositely disposed forward run portions extending continuously through a bristle loading station and then through at least one molding station. The forward run portions of the first molding belts have dividers extending therebetween which form plurality of mold cavities proportioned to receive the proximal end of a bristle knot therebetween. A second pair of molding belts each having a forward run portion are also provided. The forward run portions of the second pair of molding belts being disposed opposite one another and extending through said molding station in an edge to edge relationship, one with each first molding belt to extend the molding cavity to the full height of the required brush head.

REFERENCES:
patent: 3077002 (1963-02-01), Warnken
patent: 4325902 (1982-04-01), Holding

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