Large high temperature plastic vacuum reservoir
US4343409A · kind A · utility
13Cited by
22References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1981 |
| Grant date | Aug 10, 1982 |
| Priority date | — |
| Expiry date | Apr 13, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2201/0152
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A unitary reservoir (100) in FIG. 1 made of plastic, preferably made by blow molding, comprises a plurality of hollow bulbs (110), (140) and (170) with centers along a curved line in a plane, at least one bulb being a mounting bulb (140) having a mounting tower (144) or (176) extending from said bulb, said mounting tower comprising a solid portion enabling mounting of the reservoir (100) and a hollow portion that communicates with the interior of said mounting bulb and acting to resist bending of the solid portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.