Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1987-03-18
1989-02-28
Pollard, Steven M.
Receptacles
Outlet or junction box type
Sectional receptacle
220 83, 229 15B, B65D 2500
Patent
active
048077755
ABSTRACT:
An injection-molded, thin-walled, plastic product is formed by a mold cavity having a thin-cavity region; a pair of flow channels, which are thicker than the thin-cavity region for directing injected plastic into the thin-cavity region; and a meld chamber, which is thicker than the thin cavity region, is displaced from the flow channels, and is at least partially located extensively between the flow channels for melding plastic flowing together from different directions. The product includes a thin-walled area formed by the thin-cavity region; first and second ribs formed by the pair of flow channels, with the first and second ribs being thicker than the thin-walled area; and a third rib formed by the meld chamber, wherein the third rib is displaced from the first and second ribs and is at least partially located extensively between the first and second ribs, with the third rib being thicker than the thin-walled area. Products that are injection molded to include a rib formed by a meld chamber that is so located have enhanced flexure strength in the portion of the product between the ribs formed by the flow channels.
REFERENCES:
patent: 2859557 (1958-11-01), Lattuca
patent: 3070275 (1962-12-01), Bostrom
patent: 3194468 (1965-07-01), Baron
patent: 3237834 (1966-03-01), Davis et al.
patent: 3606262 (1971-09-01), Van't Hoff
patent: 3944124 (1976-03-01), Hexel
Acebo Company
Callan Edward W.
Pollard Steven M.
LandOfFree
Injection molding of thin-walled plastic products does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Injection molding of thin-walled plastic products, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Injection molding of thin-walled plastic products will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1359619