Patent US3595065A successfully refreshed from Google Patents.
US3595065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential pressure crown inspector
Assignee: Individual
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Filing: 1969-09-17
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Granted: 1971-07-27
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Expires: 1989-09-17
Abstract
Abstract This apparatus inspects the top of bottles, containers or other articles as they move along on a conveyor past an inspection position. Resilient sensor heads are carried on rotating star wheels which engage each container in turn. One sensor head engages the top of a bottom or container and fluid under pressure or vacuum is applied to the head. If the top of the bottle container is defective, fluid leaks thereover and an ejection device is operated that automatically ejects the defective bottle or container.
Inventors
- 👤 Harry E Scribner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:45
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3236
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
174 words
Apparatus for inspecting the tops of containers for flaws, chips, cracks and other defects, comprising a rotatable support; a plurality of resilient sensor heads carried by said support in circumferentially spaced relation thereabout, each head having a recess conforming to the top edge of a container to seal the same; a source of pressurized fluid; manifold means connecting said source of fluid to each of said heads, valve means for passing said fluid through said manifold means to only one of the heads located at an inspection position for a container; and means for applying each of said heads in turn to a container in a moving line of containers as each container passes the inspection position, the last-named means comprising pivotable arms carried by said support in radially extending circumferentially spaced positions, spring loaded rods pivotally connected to the arms respectively, and stationary cam means located at said inspection position, said rods riding said cam means in turn to elevate and then lower each arm and head in turn at said inspection position.
Claim 2
Dependent Claim
174 words
Apparatus for inspecting the tops of containers for flaws, chips, cracks and other defects, comprising a rotatable support; a plurality of resilient sensor heads carried by said support in circumferentially spaced relation thereabout, each head having a recess conforming to the top edge of a container to seal the same; a source of pressurized fluid; manifold means connecting said source of fluid to each of said heads, valve means for passing said fluid through said manifold means to only one of the heads located at an inspection position for a container; and means for applying each of said heads in turn to a container in a moving line of containers as each container passes the inspection position, the last-named means comprising pivotable arms carried by said support in radially extending circumferentially spaced positions, spring loaded rods pivotally connected to the arms respectively, and stationary cam means located at said inspection position, said rods riding said cam means in turn to elevate and then lower each arm and head in turn at said inspection position.
Claim 3
Dependent Claim
41 words
Apparatus as defined in claim 1, further comprising ejection means for ejecting a defective container, said ejection means being connected to said source of pressurized fluid and being responsive to loss in pressure to eject a defective container from said line.
Claim 4
Dependent Claim
39 words
Apparatus as defined in claim 2, further comprising a pair of vertically spaced, horizontal, peripherally serated wheels carried by said support, both said wheels having indentations arranged to engage each container in turn as it passes the inspection position.
Claim 5
Dependent Claim
96 words
Apparatus as defined by claim 2, wherein said ejection means comprises a fluid-operated electric switch having normally open contacts, said switch being responsive to a drop in fluid pressure at the switch to close said contacts and solenoid operated means disposed to move a container laterally out of said line of containers at the inspection position, said solenoid means being connected in circuit with said contacts and being energized when the contacts close upon a drop of fluid pressure at the switch caused by leakage of fluid at the one head located at the inspection position.
Claim 6
Dependent Claim
39 words
Apparatus as defined by claim 4, further comprising a pair of horizontal vertically spaced peripherally serrated wheels carried by said support, both said wheels having indentations arranged to engage each container in turn as it passes the inspection position.
Claim 7
Dependent Claim
44 words
Apparatus as defined in claim 1, wherein said rotatable support comprises a pair of peripherally serrated wheels, said wheels having indentations arranged to engage each container in turn as iT passes said inspection position, said pivotable arms being carried by one of said wheels.
Claim 8
Dependent Claim
93 words
Apparatus as defined in claim 1 for inspecting open tops of containers, wherein the recess in each sensor head is so shaped that the sensor head grips both internally and externally the open top of a container being inspected while said fluid is applied to the sensor head for detecting a defect in the shape of the open top of the container gripped by the sensor head; and means responsive to leakage of said fluid over the top of the container being inspected to indicate the defective condition of the container being inspected.
Claim 9
Dependent Claim
35 words
Apparatus as defined by claim 1, further comprising a pair of peripherally serrated wheels carried by said support, said wheels having indentations arranged to engage each container in turn as it passes said inspection position.
Claim 10
Dependent Claim
88 words
Apparatus as defined in claim 1, wherein the valve means comprises a valve core connected to said source of pressurized fluid, said core having a single hole in one side thereof oriented toward said inspection position, said manifold means comprising a tube rotatably disposed on said core and a plurality of tubes connected between the manifold tube and the sensor heads respectively, whereby pressurized fluid passes through said hole to said one head via one of the tubes when the one head is located at the inspection position.
Claim 11
Dependent Claim
37 words
Apparatus as defined by claim 9, further comprising ejection means for ejecting a defective container, said ejection means being connected to said source of pressurized fluid and responsive to loss in pressure to eject the defective container.
References Cited (Backward Citations)
US2432871A
Cited
US2606657A
Cited
US3091958A
Cited
US3135575A
Cited
US3426582A
Cited
US3390569A
Cited
US3496761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |