Patent US2722735A successfully refreshed from Google Patents.
US2722735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming a composite structural member
Assignee: HONEYCOMB Co OF AMERICA I
•
Filing: 1948-11-01
•
Granted: 1955-11-08
•
Expires: 1968-11-01
Abstract
No abstract record available.
Inventors
- 👤 Bernard D Beamish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:33
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/02; B29C66/024; B29C66/0242; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/438; B29C66/80; B29C66/82; B29C66/822; B29C66/8221; B29C66/824; B29C66/8242; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29D; B29D24/00; B29D24/002; B29D24/005; B29C65/02; B29C65/18; B29C65/24; B29C65/245; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/70; B29C66/72; B29C66/725; B29C66/7254; B29L; B29L2024/00; B29L2024/006; B29L2031/00; B29L2031/60; B29L2031/608; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
THE METHOD OF CONTINUOUSLY FORMING A SMOOTH SURFACED, COMPOSITE STRUCTURAL MEMBER CONSISTING OF A FACE PLATE AND A CELLULAR CORE WHEREIN OPPOSING PORTIONS OF THE ELEMENTS OF SAID STRUCTURE HAVE DIFFERENT LINEAR SURFACE AREAS AND ARE SECURED TOGETHER BY A BONDING MATERIAL THAT REQUIRES HEATING TO A CRITICAL TEMPERATURE AND COOLING IN ORDER TO EFFECT A BOND BETWEEN THE ELEMENTS OF THE STRUCTURE, THE STEPS WHICH INCLUDE FEEDING THE ELEMENTS OF A COMPOSITE STRUCTURE FORWARD IN ALIGNED RELATION TO EACH OTHER, PREHEATING SAID ELEMENTS AS THEY ARE BEING FED FORWARD TO A TEMPERATURE CLOSE TO BUT BELOW THE CRITICAL TEMPERATURE OF A BONDING MATERIAL, SAID ELEMENTS BEING FREE TO EXPAND INDEPENDENTLY OF EACH OTHER DURING SUCH PREHEATING, THEN BRINGING SAID ELEMENTS INTO CONTACT WITH EACH OTHER UNDER PRESSURE WITH THE BONDING MATERIAL INTERPOSED THEREBETWEEN, THEN SUPPLYING A FINAL INCREMENT OF HEAT TO SAID ELEMENTS, SAID FINAL INCREMENT OF HEAT BEING SUFFICIENT TO RAISED THE TEMPERATURE OF THE BONDING MATERIAL TO ITS CRITICAL TEMPERATURE AND THEN COOLING THE COMPOSITE STRUCTURE THUS FORMED TO A TEMPERATURE BELOW THE CRITICAL TEMPERATURE OF THE BONDING MATERIAL.
Claim 2
Independent Claim
182 words
THE METHOD OF CONTINUOUSLY FORMING A SMOOTH SURFACED, COMPOSITE STRUCTURAL MEMBER CONSISTING OF A FACE PLATE AND A CELLULAR CORE WHEREIN OPPOSING PORTIONS OF THE ELEMENTS OF SAID STRUCTURE HAVE DIFFERENT LINEAR SURFACE AREAS AND ARE SECURED TOGETHER BY A BONDING MATERIAL THAT REQUIRES HEATING TO A CRITICAL TEMPERATURE AND COOLING IN ORDER TO EFFECT A BOND BETWEEN THE ELEMENTS OF THE STRUCTURE, THE STEPS WHICH INCLUDE FEEDING THE ELEMENTS OF A COMPOSITE STRUCTURE FORWARD IN ALIGNED RELATION TO EACH OTHER, PREHEATING SAID ELEMENTS AS THEY ARE BEING FED FORWARD TO A TEMPERATURE CLOSE TO BUT BELOW THE CRITICAL TEMPERATURE OF A BONDING MATERIAL, SAID ELEMENTS BEING FREE TO EXPAND INDEPENDENTLY OF EACH OTHER DURING SUCH PREHEATING, THEN BRINGING SAID ELEMENTS INTO CONTACT WITH EACH OTHER UNDER PRESSURE WITH THE BONDING MATERIAL INTERPOSED THEREBETWEEN, THEN SUPPLYING A FINAL INCREMENT OF HEAT TO SAID ELEMENTS, SAID FINAL INCREMENT OF HEAT BEING SUFFICIENT TO RAISED THE TEMPERATURE OF THE BONDING MATERIAL TO ITS CRITICAL TEMPERATURE AND THEN COOLING THE COMPOSITE STRUCTURE THUS FORMED TO A TEMPERATURE BELOW THE CRITICAL TEMPERATURE OF THE BONDING MATERIAL.
References Cited (Backward Citations)
US891428A
Cited
US995589A
Cited
US1541641A
Cited
US1764271A
Cited
US1687605A
Cited
US1949420A
Cited
US1983930A
Cited
US1956464A
Cited
US1996951A
Cited
US2061850A
Cited
US2073334A
Cited
US2154143A
Cited
US2210338A
Cited
US2255397A
Cited
US2275262A
Cited
US2344488A
Cited
US2423870A
Cited
US2414511A
Cited
US2558093A
Cited
US2580502A
Cited
US2510727A
Cited
US2545370A
Cited
US2627010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |