Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1991-11-13
1992-12-15
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
264 32, 264 35, 264229, 264274, 264278, 264279, 264334, 277207A, 285 64, B28B 1306, E04B 116, F16J 900, F16L 300
Patent
active
051715074
ABSTRACT:
An annular, elastomer bulkhead gasket for sealing pipe fittings at concreate structures. A tubular body portion includes an annular casting flange having a three-quarter radiused peripheral edge which radially projects from an outer surface. A half radiused annular bead projects from an inner surface to seal around a fitted pipe. The gasket is securable to an annular flange of a conically tapered mandrel which is securable to a casting form wall. The mandrel retains and supports the gasket in compresed relation between the casting form walls during the pouring of the bulkhead.
REFERENCES:
patent: 3727876 (1973-04-01), Keyser
patent: 3815214 (1974-06-01), Kyle, Sr.
patent: 3832438 (1974-08-01), Ditcher
patent: 3874063 (1975-04-01), Skinner et al.
patent: 4073048 (1978-02-01), Ditcher
patent: 4103901 (1978-08-01), Ditcher
patent: 4333662 (1982-06-01), Jones
patent: 4350351 (1982-09-01), Martin
patent: 4387900 (1983-06-01), Ditcher et al.
patent: 4625976 (1986-12-01), Gilbert
patent: 4693482 (1987-09-01), Daigle et al.
patent: 4801417 (1989-01-01), Ditcher
patent: 4805920 (1989-02-01), Gavin
patent: 4842785 (1989-06-01), Daigle et al.
patent: 4951914 (1990-08-01), Meyers et al.
patent: 4991858 (1991-02-01), Abila et al.
patent: 4997215 (1991-03-01), Fournier
Aftergut Karen
Tschida Douglas L.
LandOfFree
Method for casting a resilient bulkhead gasket does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for casting a resilient bulkhead gasket, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for casting a resilient bulkhead gasket will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2091039