Fan blade mold

Details Fan blade mold Fan blade mold

1995-03-17

1996-08-20

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

Mold having movable core or movable pin

249 67, 249142, 249155, 264328100, 425444, 425468, 425556, B29C 4536

Patent

active

055473652

ABSTRACT:
A fan blade mold is disclosed having a center shaft molding unit and a blade molding unit disposed around the center shaft molding unit and defining with the fan blade mold a plurality of blade molding cavities around the center shaft molding unit for molding the blades of the fan blade, the center shaft molding unit having a longitudinal center cavity for molding the center shaft of the integral fan blade to be molded, a plurality of knock-out pins spaced around the center cavity for knocking out the fan blade and for molding a respective circular dent on a hub of the fan blade, and a reference line raised from the top side and aligned with one lateral side of one blade molding cavity, the knock-out pins being respectively disposed at the radial lines which pass through the point at 1/3 of the radial width of each blade molding cavity measured from the left lateral side of each blade molding cavity. The center shaft molding unit can be turned relative to the blade molding unit to shift the reference line and the lengths of the knock-out pins can be modified to adjust the balance of the fan blade.

REFERENCES:
patent: 3136001 (1964-06-01), Gelbard
patent: 3756553 (1973-09-01), Ranz
patent: 4047692 (1977-09-01), Swin, Sr.
patent: 4107257 (1978-08-01), Swin, Sr.
patent: 4975041 (1990-12-01), Fries et al.

Affiliated with

Also associated with

Rating

Fan blade mold does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fan blade mold, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fan blade mold will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2326526