Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Patent
1980-07-03
1982-04-20
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Forming continuous work followed by cutting
264167, 264171, 264174, 264243, 264248, 300 21, B29C 2400, B29C 1700
Patent
active
043259014
ABSTRACT:
A method of manufacturing brushes wherein two brush tapes which are formed of synthetic resinous material and incorporate a plurality of bristle filaments held together by a knitting operation or a weaving operation or by means of an extruded bead are arranged adjacent each other and held in this relationship by means of a bead of synthetic resinous material running along one side edge of the tapes. This bead may be extruded around the adjacent edges of the tapes or if beads of plastics material are already present on the tapes, may be formed by fusing the two beads together. There may be more than two adjacent tapes which may be arranged side-by-side or at an angle to each other or spaced apart and the construction of the tapes can be the same or different. Furthermore, one or more barrier layers may be located between the tapes. It is even envisaged that un-beaded tapes could be fused together, and the bead would then be formed by a forming operation.
REFERENCES:
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patent: 2643157 (1953-06-01), Hardman et al.
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patent: 3072945 (1963-01-01), Peterson
patent: 3342817 (1967-09-01), Young
patent: 3351387 (1967-11-01), Lechene
patent: 3551936 (1971-01-01), Kutik et al.
patent: 4133147 (1979-01-01), Swift, Jr.
Chancellor John D.
Holding David
Lowe James B.
Schlegel (UK) Limited
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