发明名称 |
Dispenser with unitary plunger and seal construction |
摘要 |
A dispenser for precisely metering viscous fluids from a cartridge. The dispenser includes a cartridge body and a plunger having a piston head at its extremity. The plunger is unitarily configured from a plastic material, including seal rings in the piston head. Each piston head including two such seal rings axially spaced from one another and configured to include sharp peripheral edges permitting resilient wedging contact within the bore of the cartridge.
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申请公布号 |
US4121739(A) |
申请公布日期 |
1978.10.24 |
申请号 |
US19770789049 |
申请日期 |
1977.04.20 |
申请人 |
ILLINOIS TOOL WORKS INC. |
发明人 |
DEVANEY, WILLIAM DAVID;CALL, ROBERT FRANCIS |
分类号 |
B05C17/005;B05C17/01;B65D81/32;(IPC1-7):B67D5/52 |
主分类号 |
B05C17/005 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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