Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1992-11-05
1994-06-07
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including shaping means comprising fluid pressure contacting...
425389, 4254051, 425DIG47, 264313, 264510, B29C 4356, B29C 4310
Patent
active
053184220
ABSTRACT:
A vacuum bag molding apparatus for a mold having an inner molding surface and a peripheral edge with a vacuum pipe extending around the edge and connected by a series of vacuum ports to the inner molding surface inward of the edge, which includes a continuous channel member of metal or plastic and a spline member of metal or plastic which is receivable with a tight fit in the channel of the channel member to hold a flexible air-impervious sheet between the spline and the channel of the channel member to provide an air-tight vacuum bag which is evacuable through the vacuum ports of the mold to carry out a vacuum bag molding procedure. The sheet of flexible material, channel member, spline member and adhesive to secure the channel member to the edge of the mold may be supplied as a kit.
REFERENCES:
patent: 1172543 (1916-02-01), Mastin
patent: 1184469 (1916-05-01), Mastin
patent: 2160221 (1939-05-01), Masters et al.
patent: 2441097 (1948-05-01), Hicks
patent: 2487494 (1949-11-01), Taber
patent: 2594838 (1952-04-01), Alexander et al.
patent: 3019486 (1962-02-01), Stinson
patent: 3146148 (1964-08-01), Mitchella et al.
patent: 3222437 (1965-12-01), Schilling
patent: 3445052 (1969-05-01), Lewallen
patent: 3631791 (1972-01-01), Harris
patent: 3658974 (1972-04-01), Low
patent: 3767752 (1973-10-01), Karlyn et al.
patent: 3811810 (1974-05-01), Moller
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4165358 (1979-08-01), Johnson
patent: 4267147 (1981-05-01), Pogoda et al.
patent: 4280804 (1981-07-01), Holland
patent: 4554036 (1985-11-01), Newsom
patent: 4729860 (1988-03-01), Leach
patent: 4732639 (1988-03-01), Newsom
patent: 4765942 (1988-08-01), Christensen et al.
patent: 4822651 (1989-04-01), Newsom
patent: 4836765 (1989-06-01), Kornitzky et al.
patent: 4886442 (1989-12-01), McCowin et al.
patent: 4911191 (1990-03-01), Bain
patent: 4943070 (1990-07-01), Lang
patent: 4973234 (1990-11-01), Swenson
patent: 5017197 (1991-05-01), McGuire et al.
patent: 5129813 (1992-07-01), Sheperd
Bondline Products, Design Handbook: Reusable Vacuum Bag Tooling, Norwalk, Calif. 1986.
Smith Duane S.
Woo Jay H.
LandOfFree
Vacuum bag molding apparatus with channel and spline edge-seal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vacuum bag molding apparatus with channel and spline edge-seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum bag molding apparatus with channel and spline edge-seal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-789137