Compression chamber unit and a method for forming such unit

Details Compression chamber unit and a method for forming such unit Compression chamber unit and a method for forming such unit

2011-03-08

2011-03-08

Lazo, Thomas E (Department: 3745)

Expansible chamber devices

Cylinder detail

C092S171100

Reexamination Certificate

active

07900550

ABSTRACT:
The present invention relates to a compression chamber unit (1) of an air pump, comprising a cylindrical body part (3) provided with at least one outlet nozzle (4), a number of connecting flanges (6) and a number of connecting bosses (7), wherein the cylindrical body part (3) is an extruded cylinder and a cap (2) is formed with outlet nozzle (4), connecting flanges (6) and connecting bosses (7), where the cap (2) is adapted to engage with a first end part (10) of the cylindrical body part (3). The present invention further more relates to a method for forming a compression chamber unit (1) which method comprises the following steps:the cylindrical body part (3) is extruded, andthe cap (2) is moulded onto the cylindrical body part (3).

REFERENCES:
patent: 6783333 (2004-08-01), Wang
patent: 2039620 (1980-08-01), None
patent: 2277966 (1999-11-01), None
patent: WO 02/057630 (2002-07-01), None

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