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US3148269A Expired / Lapsed US ⏱️ 0.0 years remaining

Heater for continuous molding machine

Assignee: Hoover Universal Inc
•
Filing: 1962-08-22
•
Granted: 1964-09-08
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Expires: 1982-08-22
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Abstract

No abstract record available.

Inventors

  • 👤 Carroll H Van Hartesveldt
  • 👤 Buddy D Wahl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:10
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/0096; B27; B27M; B27M1/00; B27M1/02; B29; B29C; B29C43/00; B29C43/22; B29C43/228; B29C43/32; B29C43/52; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1927; G05D23/193; G05D23/1932; G05D23/1934; G05D23/20; G05D23/22; B29C35/00; B29C35/02; B29C2035/0211; B29C43/44; B29C43/48; B29C2043/483; B29K; B29K2711/00; B29K2711/14; B29L; B29L2009/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 207 words
A CONTINUOUS MOLDING MACHINE FOR FORMING WORKPIECES OF VARIOUS WIDTHS, SUCH AS LAMINATED SURFACE BOARDS, CASE HARDENED WOODEN BOARDS AND THE LIKE, WHEREIN SAID MACHINE INCLUDES FIRST MEANS OF PRE-ESTABLISHED WIDTH FOR UNIFORMLY APPLYING PRESSURE AND HEAT TO A SURFACE OF A WORKPIECE OF LESSER WIDTH THAN SAID PRE-ESTABLISHED WIDTH, AND SECOND MEANS FOR RELATIVELY MOVING THE WORKPIECE IN A PATH THROUGH SAID FIRST MEANS, THE HEAT APPLYING MEANS OF SAID FIRST MEANS INCLUDING A FIRST TEMPERATURE SENSITIVE CONTROL MEANS AND A FIRST HEATING ELEMENT RESPONSIVE THERETO FOR HEATING THE FULL WIDTH OF SAID FIRST MEANS IN RESPONSE TO TEMPERATURE CONDITIONS DETECTED BY SAID FIRST CONTROL MEANS IN SAID FIRST MEANS AT A LOCATION DISPLACED LATERALLY AWAY FROM THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE, AND A SECOND TEMPERATURE SENSITIVE CONTROL MEANS AND A SECOND HEATING ELEMENT FOR HEATING ONLY THOSE PORTIONS OF SAID FIRST MEANS SUBSTANTIALLY WITHIN THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE, SAID SECOND HEATING ELEMENT HEATING THE INTENDED PORTIONS OF SAID FIRST MEANS IN RESPONSE TO A PREDETERMINED TEMPERATURE CONDITION DETECTED BY SAID SECOND CONTROL MEANS AT A LOCATION IN SAID FIRST MEANS WITHIN THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE.
Claim 2
Dependent Claim 207 words
A CONTINUOUS MOLDING MACHINE FOR FORMING WORKPIECES OF VARIOUS WIDTHS, SUCH AS LAMINATED SURFACE BOARDS, CASE HARDENED WOODEN BOARDS AND THE LIKE, WHEREIN SAID MACHINE INCLUDES FIRST MEANS OF PRE-ESTABLISHED WIDTH FOR UNIFORMLY APPLYING PRESSURE AND HEAT TO A SURFACE OF A WORKPIECE OF LESSER WIDTH THAN SAID PRE-ESTABLISHED WIDTH, AND SECOND MEANS FOR RELATIVELY MOVING THE WORKPIECE IN A PATH THROUGH SAID FIRST MEANS, THE HEAT APPLYING MEANS OF SAID FIRST MEANS INCLUDING A FIRST TEMPERATURE SENSITIVE CONTROL MEANS AND A FIRST HEATING ELEMENT RESPONSIVE THERETO FOR HEATING THE FULL WIDTH OF SAID FIRST MEANS IN RESPONSE TO TEMPERATURE CONDITIONS DETECTED BY SAID FIRST CONTROL MEANS IN SAID FIRST MEANS AT A LOCATION DISPLACED LATERALLY AWAY FROM THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE, AND A SECOND TEMPERATURE SENSITIVE CONTROL MEANS AND A SECOND HEATING ELEMENT FOR HEATING ONLY THOSE PORTIONS OF SAID FIRST MEANS SUBSTANTIALLY WITHIN THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE, SAID SECOND HEATING ELEMENT HEATING THE INTENDED PORTIONS OF SAID FIRST MEANS IN RESPONSE TO A PREDETERMINED TEMPERATURE CONDITION DETECTED BY SAID SECOND CONTROL MEANS AT A LOCATION IN SAID FIRST MEANS WITHIN THE LATERAL CONFINES OF THE PATH OF MOVEMENT OF SAID WORKPIECE.

References Cited (Backward Citations)

US2556008A Cited
US2800162A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-08 1968-03-09 1968-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-08 1972-03-09 1972-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-08 1976-03-09 1976-09-08 $7700.00 Window Closed / Lapsed

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