Static molds – Container-type molding device – Of named component
Patent
1989-06-16
1990-12-11
Woo, Jay H.
Static molds
Container-type molding device
Of named component
2491871, 264227, 425411, 425394, 100214, 100295, B29C 3340, B29C 4302, B30B 900
Patent
active
049764004
ABSTRACT:
Epoxy tooling which inherently expands and contracts with temperature changes for making parts of metal or plastic has elongated rods extending through guide tubes within the tooling and compression washers or plates on opposite sides thereof. These compression devices for strengthening the tool can be selectively adjusted toward and away from one another using nuts threaded on the rods for varying the compression load on the tooling in accordance with varying tool operating loads, working temperatures and amounts of expansion or contraction. Epoxy tools for molding plastics are heated and expanded to a working temperature and then compressively loaded in selected areas prior to molding operations to prevent tool stress cracking or epoxy tools for metal stamping are compressively loaded and supported in selected areas of high tensile stress and operated at room temperatures for high load metal stamping without fracture.
REFERENCES:
patent: 1151548 (1915-08-01), Rumple
patent: 3101065 (1963-08-01), Kalis
patent: 3278668 (1966-10-01), Eldred
patent: 3515366 (1970-06-01), Buehler
patent: 4450130 (1984-05-01), Doerer
patent: 4601867 (1986-07-01), Martell et al.
patent: 4824628 (1989-04-01), Curfman
patent: 4834929 (1989-05-01), Dehoff
Brown Colin R.
Martell William A.
VanJaarsveld Robert P.
Weiss Ladislaus
Durkin II Jeremiah F.
General Motors Corporation
Tung R. W.
Woo Jay H.
LandOfFree
Plastic tooling with compression adjustment does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Plastic tooling with compression adjustment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plastic tooling with compression adjustment will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-384680